by Erin Jade Lange
New York : Bloomsbury, 2013.
328 pages ; 22 cm.
ISBN: 9781619630802 ; 161963080X
Summary: 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.