After her brother Jared dies, ten-year-old Annie worries about the hidden dangers of everything, from bug bites to bicycle riding, until she is befriended by a new neighbor who is grieving her own loss.

With help from his older brother Larry, nine-year-old Ben learns to cope with his nervousness about the Kickers League playoffs. Includes "Ben's Top Ten Tips for Soccer Players.".

A mouse named Wemberly, who worries about everything, finds that she has a whole list of things to worry about when she faces the first day of nursery school.