The fates of gods and samurai converge in this Japanese-myth inspired epic fantasy masterpiece from debut author A. S. Tamaki. 

Sen Hoshiakari, the exiled son of a traitor, is determined to restore his decimated clan to their former power at any cost. But when his path collides with that of Rui, a lowborn woman who once saved his life, he discovers his family ambitions may have paid a darker price than he ever knew. And as Onryō—vengeful demons—rise throughout the land again, demanding retribution for their slaughtered souls, he’s torn between loyalty to the family he’s searched for his entire life and the love of his closest friend.

Only now, his reunited family and their allied forces will stop at nothing in a blossoming civil war against the empire they once served, and the more they kill, the worse the demons will become. To save their world, Sen and Rui must join this conflict and find a way to forge peace—even if it means being cursed by the very gods who once protected them. 
 

A.S. Tamaki grew up in Los Angeles, where he spent his childhood climbing trees in the Santa Monica Mountains and making short films in his backyard. After pursuing martial arts and later rock climbing, he studied creative writing at Oberlin College before working in Hollywood for several years. He now lives in the Pacific Northwest, and when he's not writing, spends his time routesetting at local climbing gyms. The Book of Fallen Leaves is his first novel.