In a stunning debut, Alix Harrow takes you on a journey through books within books, worlds within worlds, and mysteries within mysteries. Your heroine is January Scaller, the seventeen year old ward of Mr. Locke, a member of the exclusive New England Archaeological Society, who employs January’s father to acquire objects of interest around the world. January grows up surrounded by curious artifacts and given anything she could ever need, but she never feels like she belongs. When her father goes missing, January’s life spins out of control and she escapes from the clutches of the surprisingly dangerous New England Archaeological Society. But with help from a mysterious book called The Ten Thousand Doors, January find purpose and embarks on a mission to find her father. Accompanied by Jane, a woman employed by her father to keep her safe, Samuel, her childhood friend and budding love, and her beloved dog Bad, January will discover what it takes to open the Doors and save not only her life, but the lives of those she loves.