The acclaimed national and international bestseller"Epic, romantic, and enthralling from start to finish."-Stephanie Garber, #1 New York Times bestselling author of the Caraval series"An all-consuming work of literary fantasy that is breathtaking both for its beauty and its suspense."-BookPage, starred review A captivating and romantic debut epic fantasy inspired by the legend of the Chinese moon goddess, Chang'e, in which a young woman's quest to free her mother pits her against the most powerful immortal in the realm. Growing up on the moon, Xingyin is accustomed to solitude, unaware that she is being hidden from the feared Celestial Emperor who exiled her mother for stealing his elixir of immortality. But when Xingyin's magic flares and her existence is discovered, she is forced to flee her home, leaving her mother behind. Alone, powerless, and afraid, she makes her way to the Celestial Kingdom, a land of wonder and secrets. Disguising her identity, she seizes an opportunity to learn alongside the emperor's son, mastering archery and magic, even as passion flames between her and the prince. To save her mother, Xingyin embarks on a perilous quest, confronting legendary creatures and vicious enemies.