When the tropical paradise of Kauai, Hawaii, fails to impress her cousin from New York City, ten-year-old Kanani wonders why nothing seems to make her happy.

Bradley, Brian, Nate, and Lucy try to help out the Flying Fortunatos, an acrobatic troupe with a very shabby traveling circus, by identifying the marvelous, hooded trapeze artist they spied rehearsing.

Someone has been stealing and leaving behind little green sneakers, so Bradley, Brian, Nate, and Lucy trail their new teacher, who wears the same shoes in normal size.

Twelve-year-old Harvey and his bossy cousin Nora get involved with counterfeiters, imposters, and a pet raccoon when they find a prowler outside the house one night.

Shortly before her thirteenth birthday, shy and withdrawn Tara is sent to stay with her aunt, uncle, and cousin in her parents' hometown of Willow Falls, where she makes friends and becomes involved with an elderly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.

While spending the summer in a house by the sea, four cousins, Roger, Ann, Eliza, and Jack, discover a bank of wild thyme whose magic propels them on a series of adventures back and forth through time.

When Rex accompanies Pinky and his relatives on their traditional trip to pick and carve pumpkins, she feels left out because of the jealous behavior of Pinky's cousin Abby.

While staying with their aunt for a year, three nine-year-old cousins keep busy baking and selling cookies, putting on a poetry and singing performance, and trying to encourage a romance between their aunt and one of their former customers.

Andrew, his cousin Judy, and Thudd the robot, having been shrunk by a shrinking machine, encounter many terrifying creatures, including Mrs. Scuttle, as they try to reach the Atom Sucker before it explodes.

While visiting New York's Yankee Stadium with Kate's mother, cousins Mike and Kate decide to investigate the rumor that the ghost of Babe Ruth is haunting the stadium.