When all the second grade students must enter the science fair, which has global warming as its theme, best friends Ivy and Bean team up to create an unusual project.

Something smelly is spoiling science in Ms. Gleason's class, and Jigsaw and Mila are hot on the case.

Cash, Fitch, and Bird Thomas are three siblings in seventh grade together in Park, Delaware. In 1986, as the country waits expectantly for the launch of the Space Shuttle Challenger, they each struggle with their own personal anxieties. Cash, who loves basketball but has a newly broken wrist, is in danger of failing seventh grade for the second time. Fitch spends every afternoon playing Major Havoc at the arcade on Main. And Bird, his twelve-year-old...

While trying to hypnotize his dog for the third grade science fair, Brian accidentally makes his best friend Josh think he's a cat.

Zack's science fair partner has always boasted and told lies, but now each time he fibs his butt gets bigger and Zach must find a way to help before their science project is ruined.

When the newly hatched chicks disappear from the classroom, Nancy and her friends have a job on their hands to find out who stole the baby chicks.

Fritz, a master at creating terrible messes, meets his match when his science project goes wrong and the Mess Fairy emerges.

Fourth-grader Katie is concerned when an older girl uses live mice in a science fair project, but when Katie turns into the sixth-grader and has to run the experiment herself, she has a different opinion of the student.