The most recommended new hard science fiction books

Who picked these books? Meet our 8 experts.

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

Joseph S. Sanfilippo Author Of The Expert Guide to Fertility: Boost Your Chances for Pregnancy

From Joseph's 3 favorite reads in 2023.

Why am I passionate about this?

Author Infertility specialist >40 years Preconception counseling In vitro fertilization Social egg freezing Fertility after cancer

Joseph's 3 favorite reads in 2023

Joseph S. Sanfilippo Why did Joseph love this book?

Personally, I like nonfiction, but Whalefall is one fiction novel that’s a “keeper”!

May I walk you through an interesting journey, to say the least? The stage is set, and a son in the usual ”my Dad doesn’t know anything” mentality, Jay Gardner, embarks on a venture to find the remains of his dad in the Pacific Ocean, where they both were divers.

We are escorted into the ocean underworld and all the challenges that lay in store. In this mission, Jay is tangled up in a “gigantic” octopus; the tentacles surround him, and the next thing we know, Jay is inside the stomach of a whale. He is engulfed by the whale, air tanks, and all. It takes Jay a bit of ingenuity and science to know how to navigate this perplexing scenario.

You will be surprised by how it all ends up! 

By Daniel Kraus,

Why should I read it?

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

What is this book about?

The Martian meets 127 Hours in this "powerfully humane" (Owen King, New York Times bestselling author) and scientifically accurate thriller about a scuba diver who's been swallowed by an eighty-foot, sixty-ton sperm whale and has only one hour to escape before his oxygen runs out.

Jay Gardiner has given himself a fool's errand-to find the remains of his deceased father in the Pacific Ocean off the coast of Monastery Beach. He knows it's a long shot, but Jay feels it's the only way for him to lift the weight of guilt he has carried since his dad's death by suicide…


Book cover of Apothecary

Douglas Phillips Author Of Quantum Space

From my list on hard science fiction published this century.

Why am I passionate about this?

As a scientist, I love hard science fiction, especially when the story makes me think about the true nature of reality or takes me on an adventure to places unknown. We’ve all read the classics from Clarke, Heinlein, Bear, or Asimov. But books written decades ago are becoming increasingly dated as society progresses into a new century. (Will people of the future really chain smoke? And why are all the characters men?) Never fear, modern hard sci-fi is alive and well. Here are five recent books that tell an intriguing, uplifting, or awe-inspiring story. Even better than the classics, it’s hard sci-fi for the 21st century!

Douglas' book list on hard science fiction published this century

Douglas Phillips Why did Douglas love this book?

Peter Cawdron has written a whole series based on various first-contact scenarios, each an independent novel.

Apothecary is one of my favorites. Set in 16th-century England, it follows a young apprentice named Anthony, who works at a London apothecary (a pharmacy). When his blind friend Julia is accused of witchcraft and set to burn at the stake, Anthony seeks help from a member of the aristocracy who harbors a deep secret about her arrival in this medieval land.

The story is accurate, fascinating, and fun, as superstition and primitive technology clashes with advanced alien science. But like all Peter Cawdron stories, at its heart Apothecary is a story of characters struggling to do what’s right.

Book cover of Observer

Terry Madden Author Of Three Wells of the Sea

From Terry's 3 favorite reads in 2023.

Why am I passionate about this?

Author Curious Creative Traveler Historian Animal lover

Terry's 3 favorite reads in 2023

Terry Madden Why did Terry love this book?

I have a long-standing interest in both Simulation Theory and a new theory championed by Robert Lanza, a foremost stem cell researcher, called Biocentrism. This theory has ample scientific evidence to support the idea that reality is a product of consciousness, not the other way around.

In this novel, Lanza reveals his theory in an entertaining and understandable way. The characters explore the tenets of the theory, especially the idea of life after death. If you want your mind to be blown, you should explore Biocentrism. This novel is an excellent introduction to this theory.

By Robert Lanza, Nancy Kress,

Why should I read it?

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

What is this book about?

#1 NATIONAL BESTSELLER ●  "Mind-bending ... A novel full of life-affirming ideas."—Kirkus Reviews (Starred Review)

"The cutting edge of science tipping into something new and marvelous ... a startling, fascinating novel."―KIM STANLEY ROBINSON, New York Times bestselling author 

"Real science and limitless imagination combine in a thrilling story you won't soon forget."―ROBIN COOK, #1 New York Times bestselling author of Coma (and 37 other international bestsellers)

"Brilliant ... A riveting and moving story." ―RHONDA BYRNE, #1 New York Times bestselling author of The Secret.

Caro Soames-Watkins, a talented neurosurgeon whose career has been upended by controversy, is jobless, broke, and…


Book cover of The Spare Man

Paige E. Ewing Author Of Precise Oaths

From my list on sci-fi that blow raspberries at hero stereotypes.

Why am I passionate about this?

I’m a woman in a technology field dominated by men, a person with both mental and physical problems, and I’ve studied a dozen different martial arts. I’m a mean shot with a bow and love to hurl axes and spears. None of these things are contradictory. They’re just different aspects of me. Real people don’t fit in boxes and neither should good characters. My world is filled with my Hispanic grandkids, my bi daughter, my gay foster brother, my friends and family and people I love that don’t fit the Captain Awesome stereotype. Remember that we, too, can be heroes.

Paige's book list on sci-fi that blow raspberries at hero stereotypes

Paige E. Ewing Why did Paige love this book?

My mother has a service dog, and I’ve inherited a disability or two. The heroine in The Spare Man didn’t let her dog or her physical limitations stop her. She even used them to her advantage when she could.

I also loved how the book was an old-school Nick and Nora style murder mystery told in the far future on a space cruise ship. The author mixed those genres like she was mixing a tasty cocktail.

It was glorious fun from first page to last. And like all the stories on my list, it showed how much a hero can shine, no matter what gender or lack of gender she is, no matter how big or how small, what sort of personality or capability she has. It might be more of a mark of courage for a hero to find a friend than storm a castle, but that’s okay because…

By Mary Robinette Kowal,

Why should I read it?

4 authors picked The Spare Man as one of their favorite books, and they share why you should read it.

What is this book about?

Hugo, Locus, and Nebula-Award winner Mary Robinette Kowal blends her no-nonsense approach to life in space with her talent for creating glittering high-society in this stylish SF mystery, The Spare Man.

Tesla Crane, a brilliant inventor and an heiress, is on her honeymoon on an interplanetary space liner, cruising between the Moon and Mars. She’s traveling incognito and is reveling in her anonymity. Then someone is murdered and the festering chowderheads who run security have the audacity to arrest her spouse. Armed with banter, martinis and her small service dog, Tesla is determined to solve the crime so that the…


Book cover of Children of Memory

Melissa Washburn Author Of Draw Like an Artist: 100 Flowers and Plants: Step-by-Step Realistic Line Drawing

From Melissa's 3 favorite reads in 2023.

Why am I passionate about this?

Author Illustrator Arts administrator Naturalist

Melissa's 3 favorite reads in 2023

Melissa Washburn Why did Melissa love this book?

As someone who is a bit of a naturalist/nature nerd, this book (the third in a series) explored some absolutely fascinating imaginations of evolution in non-human species.

The series looks at a group of characters and their descendants over thousands of years, after mankind has abandoned Earth and seeded and terraformed, then abandoned, different extraterrestrial planets.

What would consciousness and related society and technology look like for spiders? Octopuses? Corvids? And what would happen if humans then encountered these evolved species again after that evolution? 

By Adrian Tchaikovsky,

Why should I read it?

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

What is this book about?

From the award-winning master of sci-fi Adrian Tchaikovsky, Children of Memory is the unmissable follow-up space opera to the highly acclaimed Children of Time and Children of Ruin.

When Earth failed, it sent out arkships to establish new outposts. So the spaceship Enkidu and its captain, Heorest Holt, carried its precious human cargo to a potential new paradise. Generations later, this fragile colony has managed to survive on Imir, eking out a hardy existence. Yet life is tough, and much technological knowledge has been lost.

Then strangers appear, on a world where everyone knows their neighbour. They possess unparalleled knowledge…


Book cover of The Breakthrough Effect

Monica Chase Author Of Broken Code: The Genesis of Rebellion

From my list on Sci-fi thrillers that unravel humanity’s secrets.

Why am I passionate about this?

I’ve always been fascinated by the razor-thin line between innovation and disaster—where progress often conceals a darker potential. As a Gen-Xer who grew up questioning authority, speculative fiction became my outlet for exploring these precarious themes. Now, as an author, I channel that curiosity into stories that push the boundaries of ethical ambition, forcing us to confront the unsettling truths behind our technological dreams. This list reflects my deep love for sci-fi thrillers that don’t just entertain but challenge us to examine the hidden costs of our relentless pursuit of progress.

Monica's book list on Sci-fi thrillers that unravel humanity’s secrets

Monica Chase Why did Monica love this book?

This book hijacked my nights and rewired my thinking about our technological future. As a tech enthusiast, I was fascinated by Liam Dunne’s supercomputer-augmented mind. But it was Oliver Scott’s terrifying genius that truly got under my skin.

The ethical dilemmas sparked heated debates with friends, and the narrative had me oscillating between awe and dread. This thriller is a rare blend of entertainment and deep questioning—a literary rollercoaster that kept me thinking long after the last page.

By Douglas E. Richards,

Why should I read it?

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

What is this book about?

A power-mad genius with the ultimate secret. Can anyone stop him? The gripping thriller by the author whose books have sold over three million copies.

“Brilliant.” “A masterpiece.” “Transcendent.” “Mind-bending.” “A must read.” “Riveting.” "The best ending I've ever read." "Amazing, remarkable, enthralling, and enlightening." "Action packed and filled with stunning surprises."

Oliver Scott is the reclusive genius behind countless world-changing breakthroughs. But how does he innovate at such a furious pace? And while most hail him as a savior, what if he’s actually the most dangerous tyrant humanity has ever seen? A man who will stop at nothing to…


Book cover of The Sleepless

M. J. Kuhn Author Of Among Thieves

From M. J.'s 3 favorite reads in 2023.

Why am I passionate about this?

Author Author Podcast host Video game nerd

M. J.'s 3 favorite reads in 2023

M. J. Kuhn Why did M. J. love this book?

This near-future cyberpunk murder mystery scratched a fictional itch I didn’t know I needed to scratch.

The mystery at the heart of this story is so compelling that I was listening to the audio on 2x speed by the end because I just couldn’t consume the story fast enough. The story also offers a cutting and insightful critique of our society and the ways in which our economy often forces us to sacrifice our health for the sake of productivity.

If you want a science fiction read with a fascinating premise and a burn-the-midnight-oil mystery, check this one out!

By Victor Manibo,

Why should I read it?

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

What is this book about?

Journalist Jamie Vega is Sleepless: he can’t sleep, nor does he need to. When his boss dies on the eve of a controversial corporate takeover, Jamie doesn’t buy the too-convenient explanation of suicide, and launches an investigation of his own.

But everything goes awry when Jamie discovers that he was the last person who saw Simon alive. Not only do the police suspect him, Jamie himself has no memory of that night. Alarmingly, his memory loss may have to do with how he became Sleepless: not naturally, like other Sleepless people, but through a risky and illegal biohacking process.

As…


Book cover of Feed Them Silence

Sarah Gailey Author Of Just Like Home

From my list on for making you lose sleep.

Why am I passionate about this?

I love books that keep me up at night. I'm constantly trying to get into a good, healthy bedtime routine—but I am also constantly sabotaging that effort by finding books that I simply can’t put down. The feeling of being drawn so deep into a story that the hours slip away is easily one of my favorite feelings in the world. I also love books that make me wake up in the middle of the night, books that slide into my brain and plant new ideas there. As an author, I am always striving to write those books. I can think of no higher compliment than “I stayed up all night reading it.”

Sarah's book list on for making you lose sleep

Sarah Gailey Why did Sarah love this book?

When I was a kid I was very excited about wolves. Not in the sense that I knew a lot about wolves—I didn’t study them and learn about them—so much as I felt certain, in my heart of hearts, that if I met a wolf, we would understand each other in a way no two creatures ever have. Feed Them Silence is a book that returned me to that sense of certainty, but with a more fundamentally realistic understanding of the nature of animals as existing outside of human understanding. I couldn’t put it down, and the hours slipped right past me.

By Lee Mandelo,

Why should I read it?

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

What is this book about?

Lee Mandelo dives into the minds of wolves in Feed Them Silence, a novella of the near future.

What does it mean to "be-in-kind" with a nonhuman animal? Or in Dr. Sean Kell-Luddon’s case, to be in-kind with one of the last remaining wild wolves? Using a neurological interface to translate her animal subject’s perception through her own mind, Sean intends to chase both her scientific curiosity and her secret, lifelong desire to experience the intimacy and freedom of wolfishness. To see the world through animal eyes; smell the forest, thick with olfactory messages; even taste the blood and viscera…


Book cover of The Earthlings

Carolyn Watson Dubisch

From Carolyn's 3 favorite reads in 2023.

Why am I passionate about this?

Author Graphic novelist Avid reader Writer Artist

Carolyn's 3 favorite reads in 2023

Carolyn Watson Dubisch Why did Carolyn love this book?

The premise of this short novel is that humans are being engineered by aliens to be a variety of sizes. Quite a lot of sizes, really. I almost wish there was a diagram.

That said, the book was really engaging and had some of the most off-the-wall sex scenes I’d ever read.
 It reminded me of that crazy, weird animated movie “Fantastic Planet” from the 1970s. Whenever you pair giant humans with tiny people, things get bizarre, and this author certainly delivered on that!


This book is illustrated with some incredible drawings by author-illustrator Mike Dubisch. I loved how this book takes the reader into a whole other world that truly stays with you for months after reading it.

By Mike Dubisch,

Why should I read it?

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

What is this book about?


ABANDONED BY THEIR GODS!

FORSAKEN BY THEIR OVERSEERS!


Discover a world where humanity has been bioengineered by alien gods into a diverse array of new races, ranging from the minuscule to the colossal, in The Earthlings!


When the alien overseers vanished one fateful morning, the humans were left to confront a daunting new reality. Experience a thrilling adventure in this gripping illustrated novelette by Mike Dubisch.



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…