While trying out the spy glasses, spy hat, and other items in their new spy kit, seven-year-old Henry and his dog Mudge make a new friend and form a spy club.

When Laura Sibbie starts a club called Pig City, she incites a near-war among her sixth-grade classmates and generates the creation of a rival club that has designs on Pig City's precious box of secrets.

Karen wants to start a club like her big sister, but instead of babysitting they will cat-sit.

After moving from Oregon to a trailer park in California, ten-year-old Star participates in a poetry club, where she learns some important lessons about herself and her own hopes and dreams for the future.

Nancy and her friend Bree explore the fascinating world of birds and insects in their exclusive and glamorous Explorers Extraordinaire Club.

Eleven-year-old Jessi copes with pet sitting for the Mancusi family and serious dissension among the members of the Baby-sitters Club.

Liz has a big class project to complete but how can she focus on it when her nosy new neighbor seems to be popping up everywhere? Liz must solve both problems in the nineteenth book of the Critter Club series. When a boy Liz's age moves in next door, Liz hopes they might become friends. But right away Liz can tell the boy has no interest in being friendly. So why does he keep showing up everywhere she is? Plus, Liz has a big class project to complete-an...

Giving up her role as leader of the Cupcake Club when she feels her organizational skills aren't appreciated, Alexis discovers valuable lessons about leadership and asking for help in the face of disorder, missed deadlines, and dwindling supplies.

Danny, Robert, Mike, and their friends form a club collect and display a dinosaur bone, tadpoles, and a king snake that the brothers found on vacation, as well as creatures from their neighborhood.

Loops, variables, input/output - Lucy can't wait to get started with the new coding club at school. Finally, an after school activity that she's really interested in. But Lucy's excitement turns to disappointment when she's put into a work group with girls she barely knows. All she wanted to do was make an app that she believes will help someone very special to her. Suddenly, Lucy begins to get cryptic coding messages and needs some help translating...