18 Fantasy & Sci-Fi Book Releases Coming in August 2026

This is the final duology in the BookTok sensation Crowns of Nyaxia series. It follows Kyrene, a bounty hunter, and Septimus, a vampire prince, who make a deal to slay the gods after Kyrene commits a crime that makes her a target.

This is the fourth book in the Assistant and the Villain series. Evie Sage finds herself at the center of a dangerous prophecy threatening the magic of Rennedawn, while the Villain’s magic continues to choose her. All while her villainous boss starts acting like a hero, complicating their relationship.

Set in the world of Swordheart, this fantasy romance follows Edmund, a scholar who accidentally awakens a handsome warrior trapped inside an ancient sword. Bound to protect Edmund from harm, the two must navigate danger, magic, and an unexpected connection.

Maddox has no job, no health insurance, and struggles to afford treatment for her type 1 diabetes. Desperate for a cure, she makes a deal to kill the Redwood King. Meanwhile, the cursed Prince Castor must make a mortal fall in love with him to break his own curse, but Maddox mistakes him for the very King she’s been sent to kill.

Every month, ordinary people are cursed into dragons, and dragon slayers hunt them for bounties. After losing her father, Claire joins a sisterhood of thieves. In an attempt to reclaim her old life, she tracks down Abel, a disgraced dragon slayer.

Reya is a thief who finds herself in desperate need of a job after a heist goes wrong. Enter Caelan Halycon, an immortal warrior whose life is threatened by a deadly curse. He hires Reya to help him find the cure.

Two magically bound teenagers—Grayson, a trained elite mage, and Elosie, a student accepted into Mage University— are forced to fake date and live together while trying to solve a mystery.

Viola is the last living Rosebourne, a family with the ability to manipulate the mind, body, and emotions. When she is recruited by Hugh Thornton after a shocking murder, she must use her unique abilities to create an antidote and save the kingdom.

Six years ago, Shea’s sister was taken by the High King of the Otherworld, a realm Shea is forbidden from entering. But when Shea is invited to compete in a chess tournament where the winner can ask the High King for one wish, she sees a chance to finally bring her sister home. To survive the deadly competition, Shea must form an unlikely alliance with her longtime rival, Princess Ciara.

Audra is an ordinary human who is conscripted into a magical war academy. The academy is searching for their Heir destined to restore magic. When Audra’s newly discovered abilities begin to match the prophecy, she must hide her powers while trying to blend in at the academy. She also keeps having visions of a dark, seductive prince who wants to reclaim the world.

This is the final book in the Bewitched series, concluding the love story between a young witch and her sorcerer king. As the series comes to an end, the couple must face the final challenges standing between them and their happily ever after.

The third installment in the Shadow of the Leviathan series follows eccentric detective Ana Dolabra and her memory-augmented assistant, Din, as they work to prove a man’s innocence and prevent a civil war.

In this dark fantasy, Mourning Mayne is the heir to the world’s most powerful families. When he discovers a hidden family secret—that they are fiends, half-human and half-demon beings who wield magic by buying human souls— he must decide whether to embrace his legacy or make his own destiny.

A dark academia fantasy following Norah, a navigator who can manipulate probability. The day she discovers her new abilities, she and her father are bitten by a probability beast. Desparate to find a cure, Noral enrolls in the Academy of Navigation to search its archives, but there’s a catch: she must first win a team trial before she can access the information she needs.

The time travel agency attracts those who need it the most—Anna, a single mother searching for a new career; Teddy who wants to repair his marriage and confront his childhood; and Jade, who is hiding a secret. The agency promises them the chance to travel back into their past and change what comes next.

Katherine lives within the galaxy-spanning Decurion Empire, where the Pater Aeternus regime keeps a watchful eye over its citizens. After losing her husband and inheriting his fortune, she uses her newfound wealth to buy an entire planet and establish a forbidden democracy.