Shortly before her thirteenth birthday, shy and withdrawn Tara is sent to stay with her aunt, uncle, and cousin in her parents' hometown of Willow Falls, where she makes friends and becomes involved with an elderly buyer and seller of collectibles, who seems to be trying to give Tara some kind of mysterious message.

Fourteen-year-old Kevin is a hard worker, so when his income is cut off he begins a series of businesses, from poker games to selling snacks, earning money to take a girl to a dance, but his partners soon tire of his methods.

As she starts in the sixth grade, Agnes faces challenges with her old best friend, a longtime bully, a wonderful new classmate and neighbor, and herself.

Spending the summer in Tarrytown, New York, is a lot of fun for ten-year-old Sheila even though her friends make her face up to some self-truths she does not want to admit.

A mathematically gifted sixth-grader is recruited by a group of students to game the system at the biggest theme park in the world--and win the big prize.

Ten-year-old Frank's thirteen-year-old sister Elizabeth, invisible since birth, continually causes trouble, forcing the family to move again and again, but Frank wants to stay put and decides to find a way to make her visible.

Sixth-grader Peter Lee, in a desperate attempt to regain the popularity he had in elementary school, discovers that serving detention can win him important friends, much to the dismay of his over-achieving eighth-grade sister, Sunny.

When thirteen-year-olds Cooper, Hiro, and Gordy witness a robbery that leaves a man in a coma, they find themselves tangled in a web of mystery and deceit that threatens their lives.

When a key player on the Grizzlies' baseball team is hit on the head by a ball while practicing with his friends, they must decide whether to keep his injury a secret even after he starts behaving strangely.

Inspired by her late grandmother, 13-year-old Nina spends a summer secretly doing good deeds for her neighbors and enjoying the changes she brings about, even as she's dealing with changing friendships and family issues.