Best Fantasy, Sci-Fi, Speculative, Alt. History books for young adult readers, including adult-YA crossover books.
YA & Adult-YA Crossovers:
Fantasy, Sci-Fi, Speculative, Alt. History
Total books found: 852
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Saltcrop
by Yume Kitasei
9/29/2026, 400 pages.
From the acclaimed author of The Stardust Grail comes the epic tale of two sisters who sail across oceans to find their missing third sister―and Earth's environmental ...
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The House of Gardenias
by Isabel Cañas
9/29/2026, 288 pages.
A stunning YA debut from gothic master Isabel Cañas, bestselling author of The Hacienda, Vampires of El Norte, and The Possession of Alba Díaz.
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The Siren
by Tomi Adeyemi
9/29/2026, 336 pages.
The new novel from acclaimed, three-time instant #1 New York Times–bestselling author Tomi Adeyemi blends shocking contemporary storytelling with a sinister dark academic ...
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Styx
by Nikita Gill
9/15/2026, 384 pages.
Perfect for fans of Madeline Miller and Alexandra Bracken, this richly imagined retelling of the Greek myth of Styx, goddess of the underworld river, is an immersive novel-in-verse...
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We Run the Night
by Peace Mbengei
9/15/2026, 336 pages.
An elite, isolated Kenyan boarding school is terrorized by supernatural entities, grotesque maladies, and strange transformations in a chilling YA horror debut inspired by the ...
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Adam, Mine.
by K. Ancrum
9/8/2026, 384 pages.
From acclaimed author K. Ancrum, on the National Book Award longlist for The Corruption of Hollis Brown, and Lambda Literary Award winner for Icarus, comes a queer romantic horror ...
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Espíritu
by Aiden Thomas
9/8/2026, 432 pages.
New York Times-bestselling author Aiden Thomas returns to the beloved world of Cemetery Boys, this time following Julian―chaos magnet extraordinaire. With restless spirits ...
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The Magician of Tiger Castle
by Louis Sachar
9/8/2026, 320 pages.
The beloved author of Holes presents his first adult novel, a modern fantasy classic of forbidden love, a crumbling kingdom, and the unexpected magic all around us.
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Traitors' Nest
by Frances Hardinge
9/8/2026, 400 pages.
Lovely War meets Howl's Moving Castle in this new YA fantasy from acclaimed author Frances Hardinge, about the people caught in a game played by the gods where castles are moved ...
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Golden Flight
by S. K. Ali
9/1/2026, 528 pages.
Concluding S. K. Ali's powerful duology, The Keeper's Records of Revolution, Golden Flight returns to a divided world with war on the horizon.
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