When Dane, a bully, refuses to hit Billy D because he has Down Syndrome, Billy takes that as a sign of friendship and enlists Dane's help in solving riddles left in an atlas by his missing father, sending the pair on a risky adventure.
- ISBN10 161963080X
- ISBN13 9781619630802
- Publish Date 3 September 2013
- Publish Status Out of Print
- Out of Print 23 August 2021
- Imprint Bloomsbury U.S.A. Children's Books
- Format Hardcover
- Pages 336
- Language English