SKIPSHOCK by CAROLINE o'DonoGhue

WHAT IT'S ABOUT 

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 lines. They never should have met. But when Margo suddenly appears one day on Moon’s train, their fates become inextricably linked. 

GOOD TO KNOW