The most recommended hard science fiction books

Who picked these books? Meet our 301 experts.

301 authors created a book list connected to hard science fiction, and here are their favorite hard science fiction books.
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Book cover of Friday

Kfir Luzzatto Author Of Chipless

From my list on realistic science fiction.

Why am I passionate about this?

As an author who is also a patent attorney and an engineer, I often deal with projects that are the closest thing to science fiction. That is one of the driving forces behind my urge to write science fiction. However, I very much prefer realistic stories that may potentially come true to hard science fiction with intergalactic travel, robots all over, and time machines (although I have written space opera and a few other hardcore SF tales, and must admit having had fun with them). Still, I like realistic science fiction much more. It leaves more room for character development, and I find myself engrossed in it more easily.

Kfir's book list on realistic science fiction

Kfir Luzzatto Why did Kfir love this book?

Robert Heinlein excels himself in this story narrated in the first person by a young woman, who is not really a human but rather a synthetic person but one you can relate to. Published in 1982, when much of the technology it describes was not yet in the realm of possibility, this book shows us an image of a chaotic world that may well be in our future. Serious issues sprinkled through this book’s pages are hidden between fun, fast action, a bit of licentious behavior, and some absurdity. Fun is guaranteed.

By Robert A. Heinlein,

Why should I read it?

1 author picked Friday as one of their favorite books, and they share why you should read it.

What is this book about?

A CAEZIK Notable book. CAEZIK Notables is a series of speculative-fiction books marking important milestones in science fiction or fantasy. Each book published in the series has a new introduction highlighting the book’s significance within the genre.

“A charming protagonist in a story as sleekly engineered as a starship. This one should fly.”―Publishers Weekly

Friday is a secret courier and ardent lover. Employed by a man she only knows of as “Boss”, she is given the most awkward and dangerous cases, which take her from New Zealand to Canada, and through the new States of America’s disunion, all the way…


Book cover of Recorder

Stefanie Lozinski Author Of Magnify

From my list on Christian fantasy if you like The Lord of the Rings.

Why am I passionate about this?

I have longed to move to the Shire ever since I first saw the film version of The Fellowship of the Ring. I wasn’t aware at first of Tolkien’s deep Catholic faith, but once it was pointed out to me, I was amazed at how he managed to weave Christian virtue into everything he wrote. As a long-time writer myself, I realized that I wanted to tell stories about the big stuff—love and hope, good and evil, doubt and courage—in a way that was genuine and unflinching. I think that all of the authors on this list have pulled off just that.

Stefanie's book list on Christian fantasy if you like The Lord of the Rings

Stefanie Lozinski Why did Stefanie love this book?

Part of what I love the most about The Lord of the Rings is the way that J.R.R. Tolkien made Middle Earth feel like it could be real. I have to remind myself it’s not history, but fiction. Reading Recorder gives me the same feeling. Sure, technically, it’s science fiction. It’s set in space. But there is a depth and honesty to the world that Cathy McCrumb has created that is rare and worth exploring. It is both a prescient warning about the future of humanity and a powerful story about found family and finding hope when up against impossible odds. Also, the romantic subplot of this book will absolutely shatter you.

By Cathy McCrumb,

Why should I read it?

1 author picked Recorder as one of their favorite books, and they share why you should read it.

What is this book about?

The Consortium is All. But Recorder Can No Longer Obey.

Recorder has no family, no friends, and no name. Donated to the Consortium before birth, her sole purpose is to maintain and verify the records. A neural implant and drone ensure compliance, punishing for displays of bias.

Suddenly cut off from controlling technology, Recorder tastes what it means to be human. But if the Consortium discovers her feelings, everyone she knows will be in danger.

With no name, no resources, and only an infinitesimal possibility of escape, Recorder's time is running out.

"McCrumb achieves a fascinating coming-of-age story in a…


Book cover of Child Zero

Matt Cost Author Of Velma Gone Awry: A Brooklyn 8 Ballo Mystery

From Matt's 3 favorite reads in 2023.

Why am I passionate about this?

Author Historian Reader Traveler Golfer

Matt's 3 favorite reads in 2023

Matt Cost Why did Matt love this book?

Holm has crafted a chilling tale that races its way through New York City at breakneck speed. A violent massacre occurs in a future world where disease has gained the upper hand. Detective Jacob Gibson is pulled onto the case, thrown off the case, and then lands squarely in the middle of the crux of the case.

At the center of the horror is an eleven-year-old immigrant boy desperately being searched for by multiple powerful interest groups. The question is, why? Who is Child Zero, and what does he have to offer?

Told from multiple perspectives, the suspense is kept razor thin, and the action explodes from the pages. A winner from Chris Holm.

By Chris Holm,

Why should I read it?

1 author picked Child Zero as one of their favorite books, and they share why you should read it.

What is this book about?

From molecular biologist turned Anthony Award-winning author of The Killing Kind comes a fact-based thriller about our species’ next great existential threat—perfect for fans of Michael Crichton.

It began four years ago with a worldwide uptick of bacterial infections: meningitis in Frankfurt, cholera in Johannesburg, tuberculosis in New Delhi. Although the outbreaks spread aggressively and proved impervious to our drugs of last resort, public health officials initially dismissed them as unrelated.
 
They were wrong. Antibiotic resistance soon roiled across the globe. Diseases long thought beaten came surging back. The death toll skyrocketed. Then New York City was ravaged by the…


Book cover of Cat Zero

Jamie A. Davies Author Of Life Unfolding: How the Human Body Creates Itself

From my list on to make you think about biology.

Why am I passionate about this?

I have long been fascinated by how very complicated things can arise from comparatively simple ones, because it seems counterintuitive that this is even possible. This led me to lead a life in science, researching how a whole human body can come from a simple egg, and trying to apply what we learn to make new body parts for those who need them. Though much of my professional reading consists of detailed research papers, I have always relied on books to make me think and to show me the big picture. I write books myself, to share with others some of the amazing things that science lets us discover. 

Jamie's book list on to make you think about biology

Jamie A. Davies Why did Jamie love this book?

This is the best scientific novel I have ever read. The story is fiction (not 'science fiction' in the sense of fantasy, but a story that could easily take place in the real world right now), but its portrayal of how science is done, by a bunch of completely believable characters, is really true-to-life. It's a great way for young people considering a research career to taste what they are really like, and a great way for everyone to ask why we do science the way we do, while enjoying a well-paced multi-layer story, that is written with real wit. [Declaration for transparency: I know the author as a scientific collaborator, but this is nothing to do with my recommendation of her fiction]. 

By Jennifer L. Rohn,

Why should I read it?

1 author picked Cat Zero as one of their favorite books, and they share why you should read it.

What is this book about?

Sexism, Secrets and Science: Cat Zero by Jennifer Rohn

Scientist Artie Marshall is perpetually underfunded, relegated to a damp basement, and besieged on all sides by sexist colleagues. Added to that, she is immersed in a messy divorce. But she’s never been happier, studying an obscure cat virus that nobody else in the world seems to have heard of – or cares about.

Everything changes when local cats start dropping dead and Artie’s arcane little research problem becomes worryingly relevant. Matters get worse when people start getting infected too.

Working with her right-hand man Mark, her vet friends and her…


Book cover of After Atlas

Allen Stroud Author Of Resilient

From my list on fantasy and sci-fi with fresh takes and characters.

Why am I passionate about this?

I’m a science fiction writer and academic who is interested in the big themes that challenge us as individuals and as a civilisation. My recent writing explores the representation of disability in science fiction. I want to create characters who readers can identify with and who provide different perspectives on the fictional future I am writing about. These characters are not trying to overcome any limitations, they live and accept who and what they are as we all do. The writers and stories I have chosen in this list do the same, showing us something about the human condition that we may not have thought about before.

Allen's book list on fantasy and sci-fi with fresh takes and characters

Allen Stroud Why did Allen love this book?

The second book in the Planetfall series. Emma Newman writes reflective and profound science fiction with characters trying to find their way in a complex future Earth society. 

After Atlas deals with events on Earth some years after the first colony mission has departed. There is a feeling of hope, and a fusion of science and religion that drives it, but really, the lives of people are as unequal as they are today. The main character, Carlos Moreno is a corporate slave, forced to work as an investigator. He is assigned to a case in a hotel in Dartmoor, England, where Alejandro Casales, leader of the Circle, a religious cult from Texas has been murdered.

Newman’s work echoes Asimov. Her detective is constrained by powerful overseeing forces, but this is a far superior take, with real danger and consequence.

I grew up with Asimov’s Elijah Bailey stories. To read this…

By Emma Newman,

Why should I read it?

1 author picked After Atlas as one of their favorite books, and they share why you should read it.

What is this book about?

Acclaimed author Emma Newman returns to the captivating universe she created in Planetfall with a stunning science fiction mystery where one man’s murder is much more than it seems—an Arthur C. Clarke Award Nominee.
 
Gov-corp detective Carlos Moreno was only a baby when Atlas left Earth to seek truth among the stars. But in that moment, the course of Carlos’s entire life changed. Atlas is what took his mother away; what made his father lose hope; what led Alejandro Casales, leader of the religious cult known as the Circle, to his door. And now, on the eve of the fortieth…


Book cover of The Outside

Nick Walker Author Of Neuroqueer Heresies: Notes on the Neurodiversity Paradigm, Autistic Empowerment, and Postnormal Possibilities

From my list on neuroqueer speculative fiction.

Why am I passionate about this?

My first passion, as a youngster, was speculative fiction—stories and comics that set the imagination ablaze with visions of wondrous possibilities and impossibilities. Later, my experiences of being queer, transgender, and autistic led me to an academic career in which I helped create the field of Neurodiversity Studies and something called Neuroqueer Theory (which is what you get when you mix Queer Theory and neurodiversity together and shake vigorously). These days I’m back to writing fiction, including the urban fantasy webcomic Weird Luck, and I’m thrilled to find myself part of an emerging wave of neuroqueer speculative fiction. Here are some of the best so far...

Nick's book list on neuroqueer speculative fiction

Nick Walker Why did Nick love this book?

The Outside is a gripping sci-fi novel with a queer autistic protagonist, written by an autistic author who perfectly conveys the flavor of autistic thinking. This one’s set far in the future, in a galaxy-spanning theocracy ruled by powerful artificial intelligences that have set themselves up as gods. Scientist Yasira Shien has developed a brilliant new energy drive. The problem? Turns out the drive taps into an extradimensional reality called the Outside, which, true to its name, exists outside ordinary spacetime—and which is capable of spilling over catastrophically into the material world. Highly original world-building blended with classic space opera. Compelling characters and a plot that had me hooked all the way. Oh, and it’s the first book in a trilogy!

By Ada Hoffmann,

Why should I read it?

1 author picked The Outside as one of their favorite books, and they share why you should read it.

What is this book about?

Autistic scientist Yasira Shien has developed a radical new energy drive on board The Pride of Jai that could change the future of humanity. But when she activates it, reality warps, destroying the space station and everyone left inside.

The Gods declare her work heretical, and Yasira is abducted by their agents. Instead of simply executing her, they offer mercy if she'll help them hunt down a bigger target: her mysterious, vanished mentor.

With her homeworld's fate in the balance, Yasira must choose who to trust: the Gods and their ruthless post-human angels, or the rebel scientist whose unorthodox mathematics…


Book cover of The Punch Escrow

Jacqui Castle Author Of The Seclusion

From my list on dystopian reads of the past five years.

Why am I passionate about this?

I love dystopian novels because they allow us to explore our fears and follow those pesky what-ifs floating around our heads to their most extreme conclusions. Often, when I talk to people about dystopian literature, their minds go straight to the classics such as 1984, The Handmaid's Tale, or Fahrenheit 451. While these are timeless and amazing books, there have been so many ground-breaking dystopian novels written in the past five years that you won't want to miss.

Jacqui's book list on dystopian reads of the past five years

Jacqui Castle Why did Jacqui love this book?

I adored this fast-paced near-future dystopian book by debut author Tal M. Klein. Prepare to be thrown into an innovative world where teleportation is the primary means of travel, and people don't think twice before taking advantage of this convenience. Though, as we soon find out, maybe they should. 

There are so many fun tidbits in this novel such as nanotechnology and genetically engineered mosquitoes that help clean the air. You'll also find plenty of nostalgic references for fans of books such as Ready Player One. Prepare for engaging characters, unique worldbuilding, thought-provoking philosophical questions, and plenty of twists to keep you guessing.

By Tal M. Klein,

Why should I read it?

1 author picked The Punch Escrow as one of their favorite books, and they share why you should read it.

What is this book about?

Dubbed the “next Ready Player One,” by former Warner Brothers President Greg Silverman, and now in film development at Lionsgate.

"Featuring themes similar to Blake Crouch’s Dark Matter, the dense sci-fi feel of a Michael Crichton thriller and clever Douglas Adams-like charm, the book posits an intriguing future that is both inviting and horrific." ―Brian Truitt, USA TODAY

It's the year 2147. Advancements in nanotechnology have enabled us to control aging. We’ve genetically engineered mosquitoes to feast on carbon fumes instead of blood, ending air pollution. And teleportation has become the ideal mode of transportation, offered exclusively by International Transport―the…


Book cover of Gateway

Karen A. Wyle Author Of Twin-Bred

From my list on SFF with emotionally scarred characters.

Why am I passionate about this?

I read (and write) in various genres, but the common thread is that I crave compassionately written character-driven stories. I generally prefer novels, as they allow more time for the reader to get to know the characters and more room for those characters to grow. That said, I have limited patience with literary fiction that could be fairly, if unkindly, be called navel-gazing. I want the characters to confront problems provided by an actual plot. And if both characters and plot exist within a richly imagined world with at least some unique elements, so much the better.

Karen's book list on SFF with emotionally scarred characters

Karen A. Wyle Why did Karen love this book?

I seem to be drawn to troubled characters—hence this listand Robinette (Bob) Broadband is surely troubled.

We see his struggle from the book’s beginning, in which a virtual psychoanalyst, Sigfrid, attempts to get him to face and discuss his emotions. Sigfrid is itself an intriguing and, while it claims not to be sentient, still a sympathetic character.

Key aspects of the SF worldbuilding are also doled out carefully throughout the book, and then in the three books that follow. The scope of this imagined future and the importance of the stakes are revealed as the series continues.

By Frederik Pohl,

Why should I read it?

3 authors picked Gateway as one of their favorite books, and they share why you should read it.

What is this book about?

One of the very best must-read SF novels of all time

Wealth ... or death. Those were the choices Gateway offered. Humans had discovered this artificial spaceport, full of working interstellar ships left behind by the mysterious, vanished Heechee.

Their destinations are preprogrammed. They are easy to operate, but impossible to control. Some came back with discoveries which made their intrepid pilots rich; others returned with their remains barely identifiable. It was the ultimate game of Russian roulette, but in this resource-starved future there was no shortage of desperate volunteers.


Book cover of Blindsight

Matt Ruff Author Of The Destroyer of Worlds: A Return to Lovecraft Country

From my list on horror books that offer more than just a good scare.

Why am I passionate about this?

I’m an award-winning and bestselling novelist known for writing in a wide variety of genres. My most popular work to date is Lovecraft Country, a supernatural horror novel that served as the basis for the acclaimed HBO series of the same name.

Matt's book list on horror books that offer more than just a good scare

Matt Ruff Why did Matt love this book?

I also love books that combine thrilling adventure stories with the thoughtful exploration of ideas.

The protagonists of this haunting sci-fi/existential horror novel make contact with an alien species that, while highly intelligent, appears to lack any sense of self-awareness. This leads to the scary question: Are the aliens the weird ones in this scenario, or is human consciousness a unique mutation in a universe filled with zombies?

By Peter Watts,

Why should I read it?

5 authors picked Blindsight as one of their favorite books, and they share why you should read it.

What is this book about?

Two months have past since a myriad of alien objects clenched about the Earth, screaming as they burned. The heavens have been silent since until a derelict space probe hears whispers from a distant comet. Something talks out there: but not to us.Who should we send to meet the alien, when the alien doesn't want to meet?Send a linguist with multiple - personality disorder and a biologist so spliced with machinery that he can't feel his own flesh. Send a pacifist warrior and a vampire recalled from the grave by the voodoo of paleogenetics. Send a man with half his…


Book cover of 2001

K. Van Kramer Author Of Modified

From my list on science fiction with A.I. and sweeping new worlds.

Why am I passionate about this?

I’ve always loved science fiction because it offers a hope, a dream, or a future that we just haven't seen yet. When I write my stories, I feel there is no better use of my imagination, than to contemplate a new world, a new civilization, or future technology. At the same time, I hope to entertain readers and spark young imaginations. Inside Modified, I reached into a distant future with off-world colonies that float in the clouds of Venus, while robots toil on the planet’s surface. Of course, in such a future, when advanced modifications and recursive designs are used, leads one to wonder if my robot can love too.

K.'s book list on science fiction with A.I. and sweeping new worlds

K. Van Kramer Why did K. love this book?

This book seems a bit strange at first, when the story begins with Moon-Watcher, the leader of a tribe of early ape-man, who struggles for survival during the brutal Pleistocene ice age. After an alien monolith appears, it seems to advance the way he thinks, leading him to develop crude weapons. When the same monolith is discovered in the future, we seem fated to find the answers behind the eerie structure. Skipping to a team of astronauts who travel aboard a ship to further investigate, things take an unexpected turn when the ship’s A.I. called HAL-9000, gets very confused about keeping secrets. Something about the way it remains so polite while it deceives the crew, is enough to give anyone a nightmare.

By Arthur C. Clarke,

Why should I read it?

7 authors picked 2001 as one of their favorite books, and they share why you should read it.

What is this book about?

Written when landing on the moon was still a dream, and made into one of the most influential films of all time, 2001: A SPACE ODYSSEY remains a classic work of science fiction fifty years after its original publication.

The discovery of a black monolith on the moon leads to a manned expedition deep into the solar system, in the hope of establishing contact with an alien intelligence. Yet long before the crew can reach their destination, the voyage descends into disaster . . .

Brilliant, compulsive and prophetic, Arthur C. Clarke's timeless novel tackles the enduring theme of mankind's…