Ten-year-old Amelia keeps a journal of the summer car trip she takes with her mother and sister to the Grand Canyon, Death Valley, and their California home town to visit Amelia's best friend.
Greg Heffley tells about his summer vacation and his attempts to steer clear of trouble when he returns to middle school and tries to keep his older brother, Rodrick, from telling everyone about Greg's most humiliating experience of the summer.
Eight-year-old Just Grace and her best friend Mimi embark on a campaign to convince Grace's parents that they are responsible and dependable enough to get a dog.
Eleven-year-old Harriet keeps notes on her classmates and neighbors in a secret notebook, but when some of the students read the notebook, they seek revenge.
Ten-year-old Amelia records her thoughts and feelings about flying solo to Chicago to meet the father she has not seen since her parents divorced when she was an infant.
