All the New Science Fiction Books Arriving in March 2025


Here’s the full list of science fiction titles heading your way in March!

Keep track of all the new SFF releases here. All title summaries are taken and/or summarized from copy provided by the publisher. Release dates are subject to change.

March 4

1637: The French Correction — Eric Flint, Walter H. Hunt (Baen)
Tensions build in France following the ascension of Gaston to the throne of his murdered brother, but there are factions supporting the claim of King Louis’ surviving infant son. As France moves toward civil war, other parties, both visible and invisible, maneuver to take advantage of the increased tension. Who will survive to reign over France—King Gaston, the exiled child and his regents, or the King of Spain?

Two Truths and a Lie — Cory O’Brien (Pantheon)
In a mostly underwater near-future Los Angeles, aging combat-drone veteran Orr Vue now lives a simple and small life, trading snippets of what’s become the most valuable currency: information. So when the cops show up at his door looking for data on a murder he’s not even aware has happened, things get interesting for the first time in 25 years. At first, Orr is happy to exchange whatever he knows about the demise of InfoDrip’s top exec to buy booze and pay rent on his memory storage, but that plan goes to hell when Orr’s old boyfriend, Auggie Wolf, shows up as the number one suspect. Forced to stretch his atrophied spy skills and take his illegal horde of drones out of retirement alongside his busted knees, Orr finds himself in the crosshairs of the militarized police, a family of megarich corporate heirs, a clan of emancipated AIs, and a cult. Barely avoiding getting killed with every clue he collects, Orr realizes he’s uncovered not just a murder, but a conspiracy that threatens Auggie’s very existence. Ahh, the things we do for love… But in a world where memories can be bought and sold, how can you truly know who anyone is—or what you yourself are capable of?

Friends Indeed (Honor Harrington/Star Kingdom #5) — David Weber, Jane Lindskold (Baen)
Stephanie Harrington didn’t discover treecats—they were indigenous to the planet Sphinx, a colony of the tiny Star Kingdom of Manticore. But at age ten she was the first human to bond with one. Now, almost 17, she is the species’ greatest champion. To the rest of the human galaxy, if they are known at all, they are recognized as tool using, socially organized, fuzzy little creatures, with no known method of communication—who also happen to be fierce hunters. But are they sapient…? Because if they are, that would have all sorts of repercussions for the families who have settled on Sphinx—the Harringtons not the least. There will be winners, and there will be losers. And Stephanie is there to make sure the treecats don’t lose out. But Stephanie, the treecats, and Sphinx itself may be caught up in an even greater conspiracy than the one to help the fighting ‘cats survive, one generations in the making…

March 11

Installment Immortality (InCryptid #14) — Seanan McGuire (Tor Books)
After four generations of caring for the Price family, Mary Dunlavy has more than earned a break from the ongoing war with the Covenant of St. George. Instead, what she’s getting is a new employer in the form of the anima mundi, Earth’s living soul made manifest, and a new assignment: to hunt down the Covenant agents on the East Coast and make them stop imprisoning America’s ghosts. All in a day’s work for a phantom nanny, even one who’d really rather be teaching her youngest charges how to read. One ghost can’t take on the entire Covenant without backup, which is how she winds up on a road trip with the still-mourning Elsie and the slowly collapsing Arthur, both of whom are reeling in their own way from the loss of their mother. New allies and new enemies await in Worcester, Massachusetts, where the path of the haunting leads. With the anima mundi demanding results and Mary’s newfound freedom at stake, it’s down to Mary to make sure that everyone gets out of this adventure alive. It’s been a long afterlife, but Mary Dunlavy’s not ready to be exorcised quite yet.

The Sea Eternal (Empire Without End #2) — Emery Robin (Orbit)
Matheus Ceirran, commander of half the known world, is dead. For the past year, his loyal captain Anita has hunted down his assassins—that is, when she can pull herself from the bed of Altagracia Caviro Patramata, queen and oracle of the client planet of Szayet. But when Anita’s quest for revenge takes her across the borders of an enigmatic neighboring empire, she uncovers a dangerous secret that could upend the fragile balance of the galaxy. Meanwhile, Ceirran’s heir apparent Otávio Julhan grows more and more powerful in the capital that Anita has left behind. Caught between home, Szayet, and a new and greater threat, Anita finds herself at the center of a war that threatens to collapse her world. The fate of empires dances on the tip of a knife, and history will be written by the victors in this sweeping tale of myth, imperial legacy, and the love affair of a lifetime.

Idolfire — Grace Curtis (DAW)
On one side of the world, Aleya Ana-Ulai is desperate for a chance. Her family have written her off as a mistake, but she’s determined to prove every last one of them wrong. On the other, Kirby of Wall’s End is searching for redemption. An ancient curse tore her life apart, but to fix it, she’ll have to leave everything behind. Fate sets them both on the path to Nivela, a city once poised to conquer the world with the power of a thousand stolen gods. Now the gates are closed and the old magic slumbers. Dead—or waiting for a spark to light it anew.

Luminous — Silvia Park (Simon & Schuster)
In a reunified Korea of the near future, the sun beats down on a junkyard filled with abandoned robots, broken down for parts. Eleven-year-old Ruijie sifts through the scraps, searching for a piece that might support her failing body. There among the piles of trash, something catches her eye: a robot boy—so lifelike and strange, unlike anything she’s ever seen before. Siblings Jun and Morgan haven’t spoken for years. When they were children, their brother Yoyo disappeared suddenly, leaving behind only distant memories of his laughter and near-human warmth. Yoyo—an early prototype of a humanoid robot designed by their father—was always bound for something darker and more complex. Now Morgan makes robots for a living and is on the verge of losing control of her most important creation. Jun is a detective with the Robot Crimes Unit whose investigation is digging up truths that want to stay buried. And whether they like it or not, Ruijie’s discovery will thrust their family back together in ways they could have never imagined.

Rose/House — Arkady Martine (Tor Books)
All of Basit Deniau’s houses were haunted. Rose House, his final architectural triumph built in the remote Mojave desert, was perhaps the most. A house embedded with an artificial intelligence is a common thing. But a house that is an artificial intelligence, infused in every crevice and corner with a thinking creature that is not human? That is something else altogether. That is Rose House. When Detective Maritza Smith gets a call from Rose House, she’s shocked to learn that there is a dead body behind its sealed-up door. Everybody in town knows it’s haunted. But Basit died more than a year ago, and everybody also knows that only his former protege, Dr. Selene Gisil, is permitted inside. But Selene wasn’t in the country when Rose House called in the death. Who is the dead body? How did they get in? And who―or what―killed them? The answers lie within the labyrinthine halls of Rose House. But even if Martiza can get inside, there is no guarantee she will ever be able to leave

March 18

The Third Rule of Time Travel — Philip Fracassi (Orbit)
Scientist Beth Darlow has discovered the unimaginable. She’s built a machine that allows human consciousness to travel through time—to any point in the traveler’s lifetime—and relive moments of their life. An impossible breakthrough, but it’s not perfect: the traveler has no way to interact with the past. They can only observe. After Beth’s husband, Colson, the co-creator of the machine, dies in a tragic car accident, Beth is left to raise Isabella—their only daughter—and continue the work they started. Mired in grief and threatened by her ruthless CEO, Beth pushes herself to the limit to prove the value of her technology. Then the impossible happens. Simply viewing personal history should not alter the present, but with each new observation she makes, her own timeline begins to warp. As her reality constantly shifts, Beth must solve the puzzles of her past, even if it means forsaking her future.

The Martian Contingency (Lady Astronaut #4) — Mary Robinette Kowal (Tor Books)
Years after a meteorite strike obliterated Washington, D.C.—triggering an extinction-level global warming event—Earth’s survivors have started an international effort to establish homes on space stations and the Moon. The next step—Mars. Elma York, the Lady Astronaut, lands on the Red Planet, optimistic about preparing for the first true wave of inhabitants. The mission objective is more than just building the infrastructure of a habitat – they are trying to preserve the many cultures and nuances of life on Earth without importing the hate. But from the moment she arrives, something is off. Disturbing signs hint at a hidden disaster during the First Mars Expedition that never made it into the official transcript. As Elma and her crew try to investigate, they face a wall of silence and obfuscation. Their attempts to build a thriving Martian community grind to a halt. What you don’t know CAN harm you. And if the truth doesn’t come to light, the ripple effects could leave humanity stranded on a dying Earth…

Transmentation | Transience : Or, an Accession to the People’s Council for Nine Thousand Worlds (Formation #1) — Darkly Lem (Blackstone)
Over thousands of years and thousands of worlds, universe-spanning societies of interdimensional travelers have arisen. Some seek to make the multiverse a better place, some seek power and glory, others knowledge, while still others simply want to write their own tale across the cosmos. When a routine training mission goes very wrong, two competing societies are thrust into an unwanted confrontation. As intelligence officer Malculm Kilkeneade receives the blame within Burel Hird, Roamers of Tala Beinir and Shara find themselves inadvertently swept up in an assassination plot. Meanwhile, factions within Burel Hird are vying for greater control over their society in a war of cutthroat machinations—at a heavy price. Elsewhere, two members of rival societies lay their own plans for insurrection—with ramifications that will ripple across the Many Worlds.

Splinter Effect (Splinter Effect #1) — Andrew Ludington (Minotaur)
Smithsonian archaeologist Rabbit Ward travels through time on sponsored expeditions to the past to secure precious artifacts moments before they are lost to history. Although exceptional at his job, Rabbit is not without faults. In a spectacular failure twenty years ago, he lost both the menorah of the second temple and his hot-headed mentee, Aaron. So, when new evidence reveals the menorah’s reappearance in 6th century Constantinople, Rabbit seizes the chance for redemption. But from the moment he arrives in the past, things start to go wrong. Rabbit quickly finds out that his prime competition, an unlicensed and annoyingly appealing “stringer” named Helen, is also in Constantinople hunting the menorah. And that’s only the beginning. The oppressed Jewish population of the city is primed for revolution, Constantinople’s leading gang seems to have it out for Rabbit personally, and someone local is interested enough in the menorah to kill for it. As the past closes in on him and his previous failures compound, will Rabbit be able to recover the menorah before it’s once again lost in time? With new and old dangers alike hiding behind every corner, time might just be up for Rabbit’s redemption—and possibly his life.

Murder by Memory (Dorothy Gentleman #1) — Olivia Waite (Tordotcom Publishing)
Near the topmost deck of an interstellar generation ship, Dorothy Gentleman wakes up in a body that isn’t hers—just as someone else is found murdered. As one of the ship’s detectives, Dorothy usually delights in unraveling the schemes on board the Fairweather, but when she finds that someone is not only killing bodies but purposefully deleting minds from the Library, she realizes something even more sinister is afoot. Dorothy suspects her misfortune is partly the fault of her feckless nephew Ruthie who, despite his brilliance as a programmer, leaves chaos in his cheerful wake. Or perhaps the sultry yarn store proprietor—and ex-girlfriend of the body Dorothy is currently inhabiting—knows more than she’s letting on. Whatever it is, Dorothy intends to solve this case. Because someone has done the impossible and found a way to make murder on the Fairweather a very permanent state indeed. A mastermind may be at work—and if so, they’ve had three hundred years to perfect their schemes…

March 25

Dissolution — Nicholas Binge (Riverhead)
Maggie Webb has lived the last decade caring for elderly husband, Stanley, as memory loss gradually erases all the beautiful moments they created together. It’s the loneliest she’s ever felt in her life. When a mysterious stranger named Hassan appears at her door, he reveals a shocking truth: Stanley isn’t losing his memories. Someone is actively removing them to hide a long-buried secret from coming to light. If Maggie does what she’s told, she can reverse it. She can get her husband back. Led by Hassan and his technological marvels, Maggie breaks into her husband’s mind, probing the depths of his memories in an effort to save him. The deeper she dives, the more she unravels a mystery spanning continents and centuries, each layer more complex than the last. But Hassan cannot be trusted. Not just memories are disappearing, but pieces of reality itself. If Maggie cannot find out what Stanley did all those years ago, and what Hassan is after, she risks far more than her husband’s life. The very course of human history hangs in the balance.

Psychopomp — Maria Dong (Dark Matter INK)
On the penal colony of Hibiscus Station, there’s no personnel more vital than the Pomps, who direct the excavation of highly volatile crystal. Young was in training to be a Pomp until a mental break and subsequent suicide attempt derailed her… and now she’s unraveling again. But when her secret hallucinations predict a tunnel explosion that kills her entire crew, she is offered a surprise second chance to complete her Pomp training, which she accepts in hopes of paying off the penal debt that is keeping her from going home. But the more she trains, the more her paranoia takes hold. What if the tunnel collapse wasn’t an accident? And what if everyone-her new crew, the station staff, even her lover-are all part of the deadly conspiracy?

Space Brooms! — AG Rodriguez (Angry Robot)
Everyone aboard Kilgore Station is living their best life. Everyone except for Johnny Gomez. While humans, the augmented, and aliens of all shapes and sizes enjoy exotic cuisine on the dining deck, or gamble away their credits on the entertainment deck, Johnny is elbow-deep in oily, black, alien excrement. A ‘space broom’ custodian for the entire station. This was obviously not the life Johnny dreamt of. Ten years ago, he travelled to Kilgore, the farthest space station in our solar system, in search of fortune like everyone else. Some people are just luckier than others. Yet his meaningless, uneventful existence is immediately turned upside down when he happens upon a tiny glass data-chit, hidden amongst the alien poop he must clean up. Unbeknownst to him, every nefarious creature in the solar system will soon be after him to claim it for their own. With the help of his augmented roommate, a pair of smugglers and a mysterious and beautiful stranger, Johnny fights off thugs and sails as fast as possible to earth’s moon, Luna, in effort to sell the chit to the Obinna Crime Syndicate. But with assassins and mobsters on their tail, the trip is anything but a cakewalk. And Luna itself proves to be nothing like a safe haven, when Johnny’s painful past finally catches up to him.

When the Moon Hits Your Eye — John Scalzi (Tor Books)
The moon has turned into cheese. Now humanity has to deal with it. For some it’s an opportunity. For others it’s a moment to question their faith: In God, in science, in everything. Still others try to keep the world running in the face of absurdity and uncertainty. And then there are the billions looking to the sky and wondering how a thing that was always just there is now… something absolutely impossible. Astronauts and billionaires, comedians and bank executives, professors and presidents, teenagers and terminal patients at the end of their lives—over the length of an entire lunar cycle, each get their moment in the moonlight. To panic, to plan, to wonder and to pray, to laugh and to grieve. All in a kaleidoscopic novel that goes all the places you’d expect, and then to so many places you wouldn’t. It’s a wild moonage daydream. Ride this rocket.



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