The Book of Doors

Cassie Andrews works a quiet life in a New York City bookshop until one of her favorite regulars, a lonely old man, dies at his usual table and leaves her a peculiar book. The Book of Doors carries an inscription telling her that any door is any door, and with it in hand she can open a bookshop door and step out anywhere she imagines. Cassie and her roommate Izzy soon discover a hidden world of people who collect magical books, each with a single strange power, and a mysterious librarian named Drummond Fox who hides his collection from those who would kill for it. Brown builds a secret community of enchantment running beneath ordinary life, and Cassie becomes a target the moment she inherits her door.