The Challenge: A masterful novel for young readers about a boy who dares himself to succeed. From the author of the Tessler Triplets series. by Chaya Sara Ben-Shachar (nee Zirkind). Summer camp is calling, and there's only one thing standing in Avigdor's way?--?one big thing, that is. All year long, he's been slacking off, thinking about recess and fun instead of learning and schoolwork, and it really shows ... all over his latest report card. His friends are going to sleepaway camp, and he's dying to go, too. But how can he convince his parents to let him go? . If only there was something he could do to prove himself ... .