From New York Times bestselling author Joanne Harris comes a richly imagined and captivating novel of two colliding worlds. Deep in the heart of London, a young photographer named Tom Argent walks the streets and captures whatever catches his eye: an old man drinking coffee; a striking woman sipping champagne in St. Pancras station; a cloud of moths taking flight across the sky. He's orphaned, lonely, and lost in his work. He...