Books with title Chickenpox

Davy's too chicken to stand up to bullying at school. He's been singled out as an easy target. His family aren't much help—they're all chicken too. Mom's frightened of learning to drive, big brother Carl is terrifying himself trying to impress his new friends. And Dad has too many problems of his own to be sympathetic. But in the end it's his little sisters strange secret which spurs Davy on—and surprises the whole family as well.