Max Malone, along with his best friend Gordy, is continually frustrated in his attempts to get rich, while his neighbor, little Austin Healy, makes money at every turn.
Eleven-year-old Charlotte is not a dog person but does not like that the rest of her family neglects their Saint Bernard puppy, and so with a lot of determination and a little sneakiness, she works on finding a good home for the gentle giant.
Third grader Katharine Carmichael enlists help from her cousin Crockett in order to beat out her classmate Vanessa in thinking up the winning idea for the school-wide service project.
Driven by overachieving parents and swept away by the moneymaking schemes of an eager new friend, eleven-year-old Cally finds herself meeting everyone's expectations but her own.
Looking after an eccentric scientist's greenhouse does not seem any stranger than the other odd jobs taken by Mozie and his partner Battie--until Mozie discovers a large, mummy-shaped pod on one of the plants.
Seventh-grader Jonah Truman's main concerns are meeting girls and avoiding the class bully, until he and his friend Amanda start working as helpers at children's parties and his mother begins dating the principal of his school.