Fourteen-year-old Nikki Maxwell writes and sketches in her diary about her struggle to be popular at her exclusive new private school, and about giving up on being part of the elite group, before figuring out a way to simply be herself.
When fourth-grader Gregory releases a helium-filled balloon into the sky with his name and address attached, it leads to an unusual friendship and an exchange of mystery gifts.
When Humphrey the hamster returns to Mrs. Brisbane's class after the winter break, a new class pet and some other surprises give him an opportunity to reflect on the meaning of friendship.
When thirteen-year-old Logan and his family move into a run-down old house in rural Virginia, he discovers that a woman was murdered there and becomes involved with his neighbor Arthur in a dangerous investigation to try to uncover the killer.