Fifth grader Luna Ramos has a great many cousins, mostly on her father's side, but one of them, Claudia, is a source of constant annoyance; their current feud begins when Luna is punished for locking Claudia in the restroom at another cousin's quinceanera--but when there's a bullying situation at school, Luna realizes that, despite their disagreements, cousins have to stand up for each other.

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.

When someone shoots visiting Lutheran minister Matthew Walters, Hannah Swenson and her cronies investigate Matthew's background, especially his relationship to his creepy, paroled convict cousin, Paul.

Two mismatched cousins from estranged branches of a family spend an adventure-filled summer together in Florida, completing a list of "Good Ideas for Summertime" as recommended by their eccentric late grandmother.

After his parents are kidnapped, timid twelve-year-old Henry York leaves his sheltered Boston life and moves to small-town Kansas, where he and his cousin Henrietta discover and explore hidden doors in his attic room that seem to open onto other worlds.

A small ceramic cat comes to life to help Maddy's cousin Chloe, who is staying with her and is having trouble adjusting to a new school.

Spending the summers on her family's private island off the coast of Massachusetts with her cousins and a special boy named Gat, teenaged Cadence struggles to remember what happened during her fifteenth summer.

Angelina goes to the most famous city in Mouseland to perform at the Big Cheese Dance Show with her cousin Jeanie, but the two clash over whether tap or ballet is better.

Kate is thrilled when her English cousin Beth visits for her twelfth birthday, and they stumble upon a secret in Vendermeer Manor that may bring them closer to unraveling the family mystery that's been hidden away for generations.