Mortal Engines meets Sorcery of Thorns in this fast-paced YA fantasy adventure! Fate survived and escaped the deadly fairy tale world of the Book of Fables, but at a terrible cost. Finn, the boy of her dreams, remains a prisoner of the cursed book. Heartbroken over leaving him behind, her only way back to Finn is through a gateway within the mysterious Keep–an ancient storehouse of magical objects too powerful for ordinary realms. But her straightforward plan is foiled when she reaches the Keep. Fate discovers the truth of her heritage and the blood oath she's forced to take as Keep Guardian. With her heart sworn to saving Finn, Fate must first battle unimaginable creatures of myth threatenening to destroy the Keep, while a slumbering evil awakens deep within the bowels of the colossal arcane structure. Now Fate's only chance for salvation lies in a series of desperate quests through a maze of dangerous portals, each of which may hold the key to her freedom. Or destroy everyone and everything she loves. Will Fate find the strength to not only face her darkest fears, but battle the sinister forces poised to claim her world? This epic fantasy sequel to, Fate's Fables, promises to leave readers breathless with heart-pounding action, richly imagined worlds, and a romance that strains the bonds of love to the breaking point. Perfect for fans of Margaret Rogerson, Cassandra Clare and Philip Reeve!