'Joyful, exuberant, and crackling with adventure.' STUART TURTON 'A clever and beautiful novel about the power of books.' SUNYI DEAN 'Full of magic, wonder and heart.' ANITA FRANK 'A magical, mesmerising adventure from the very first page.' A. J. WEST ---------------------------------- Because some doors should never be opened. New York bookseller Cassie Andrews is not sure what she's doing with her life. She lives quietly, sharing an apartment with her best friend, Izzy. Then a…