Set in a universe where time is key to power and privilege, this dazzlingly inventive, genre-defying fantasy romance is the first in a duology by best-selling author Caroline O'Donoghue. Margo is a troubled schoolgirl. After the death of her father, she's on her way to a new boarding school in a new city. Moon is a salesman. He makes his living traveling through a series of interconnected worlds on a network of barely used train...