Books like Symbiont by Seanan McGuire

1818 novel by Mary Shelley about young scientist Victor Frankenstein who creates a sapient creature in an unorthodox experiment.

A brilliant scientist invents a serum that grants invisibility, but the experiment turns him into a paranoid, murderous figure.

A covert scientific team ventures into the isolated Area X, a reclaimed landscape rife with anomalies and unknown life. As discoveries deepen, hidden motives and secrets threaten to unravel the expedition and alter humanity’s understanding of nature.

Gideon the Ninth follows a sword‑wielding necromancer who must team up with a bone‑witch to survive a deadly trial of wits and combat under an emperor’s watch in a sprawling sci‑fantasy universe.

In the unforgettable Le Cirque des Rêves, two young magicians, Celia and Marco, are locked in a nocturnal duel of wonder and will—an impossible game where love and magic collide on a stage of breathtaking spectacle.

An unforgettable love story in a future overrun by genetic engineering.

A lone survivor, Robert Neville, battles a world transformed by a vampiric plague, hoping to endure a bleak future while confronting isolation and humanity’s darkest instincts.

Inside a secret library run by a god‑like patriarch, orphaned apprentices must battle for control of humanity’s fate when their master disappears.

David Wong’s hilarious horror sequel, *This Book Is Full of Spiders*, follows his midwestern slackers David and John as they tackle a universe‑spanning threat while blending absurd comedy with apocalyptic stakes.

Zombies

Two teenage twins, Jack and Jill, find themselves at Eleanor West's Home for Wayward Children, where magic, mystery, and schoolyard drama await.

Captain Vorpatril's Alliance in the Vorkosigan Saga series by Lois McMaster Bujold.

On the starship Dormire, clones of a murdered crew awaken in vats, each fearing the next bloodshed—but a new clone with no memory of her death must uncover the killer before another murder takes place.

Astronauts and researchers dive into the Marianas Trench, desperate to find a cure for the plague that has taken over the world.

Shannon Moss, a time-traveling secret agent, hunts clues in future eras to solve the murder of a Navy SEAL astronaut’s family and the disappearance of his daughter, while her own actions risk altering the timeline.

In the Halo universe, Ghosts of Onyx follows the UNSC Ghosts unit—chief, Kurt, Kelly, Olivia, Dante, Fred, and Will—on a covert mission to destroy a Covenant stronghold, exploring themes of sacrifice, war, and genetic engineering.

A story of power, science, and suspense in a Colorado mansion.

A teenager discovers he's a vampire and must navigate the world of rock stars and his own dark desires.

"I very much need to be dead." These are the chilling last words left by a man who had everything to live for but took his own life. In the void that remains stands his widow, FBI agent Jane Hawk, surrounded by questions destined to go unanswered unless she does what all the grief and fury inside her demand: Find the truth, no matter what. People of talent and accomplishment, people seemingly happy and sound of mind, have recently been committing suicide in surprising numbers. A disturbing pattern is beginning to emerge. Jane is determined to give up everything to find out why. And if that means going rogue and becoming America's Most Wanted, then so be it. Those arrayed against her are legion, and devoted to protecting something profoundly important-or terrifying-enough to exterminate any and all in their way. But Jane is as clever as these enemies are cold-blooded, as relentless as they are ruthless. And she is driven by a righteous rage they can never comprehend. Because it is born of love.

When a billionaire visionary forms a club to fund a Mars mission, he must navigate government red tape, corporate sabotage, and the challenges of space exploration to launch a rocket carrying scientists and dreamers to the Red Planet.

In the telepathic space colony of New Prentisstown, teenagers Todd and Viola are torn apart by an oppressive mayor’s regime, forcing them to confront personal identity and political control over the mind.

In Star Trek: Dark Victory, Captain James T. Kirk returns to the galaxy to confront the sinister Mirror Universe Emperor Tiberius and the hidden threats within Starfleet that threaten both universes.

Borne follows two humans in a desolate, post‑industrial world: Rachel, a scavenger, and Wick, a drug dealer, as they confront secretive dangers and survive alongside mysterious, biotech‑derived creatures named Mord and Borne.

"FEEDBACK is a full-length Newsflesh novel which overlaps the events of Feed and covers the Presidential campaign from the perspective of reporters covering the Democrats side of the story. There are two sides to every story ... The year was 2014. We had cured cancer. We had beat the common cold. But in doing so we unleashed something horrifying and unstoppable. The infection spread leaving those afflicted with a single uncontrollable impulse: FEED. Now, twenty years after the Rising, a team of scrappy underdog reporters relentlessly pursue the truth while competing against the superstar Masons, surrounded by the infected, and facing more insidious forces working in the shadows."-- In 2014 we cured cancer, beat the common cold-- and unleashed an infection that unleashed an uncontrollable impulse to feed. Now, twenty years after the Rising, a team of scrappy underdog reporters relentlessly pursue the truth while competing against the superstar Masons. Surrounded by the infected, and facing more insidious forces working in the shadows, they hit the presidential campaign trail to uncover dangerous truths... or die trying.