Cassie Andrews leads an ordinary life shelving books and serving coffee in a New York bookshop—until a favorite customer dies and leaves behind a peculiar gift: the Book of Doors. Inscribed with cryptic text, the book promises that any door is every door—if you know how to open them.
When Drummond Fox, a shadowy librarian, reveals the book’s immense power, Cassie learns it’s part of a collection sought by those who will stop at nothing to possess them. With danger closing in, Cassie must decide whether to join Drummond in protecting the books or risk everything to keep her life intact.
Hunted by a deadly collector, Cassie holds the key to a hidden library—and a battle between knowledge and dark ambition.
