Twelve-year-old Greg, who has always been good at moneymaking projects, is surprised to find himself teaming up with his lifelong rival, Maura, to create a series of comic books to sell at school.

Ted Hammond loves a good mystery, and in the spring of his fifth-grade year, he's working on a big one. How can his school in the little town of Plattsford stay open next year if there are going to be only five students? Out here on the Great Plains in western Nebraska, everyone understands that if you lose the school, you lose the town. But the mystery that has Ted's full attention at the moment is about that face, the face he sees in the upper window...

With a key to the Oakes School in his possession Benjamin, his friend Jill, and a new friend continue to seek ways to protect the school and their town but Lyman, the janitor and a spy, has new tricks up his sleeve.

The noisy fifth grade boys of Laketon Elementary School challenge the equally loud fifth grade girls to a "no talking" contest.

Fifth grader Jack finds himself the target of ridicule at school when it becomes known that his father is one of the janitors, and he turns his anger onto his father.

Fifth-grader Nora Rowley has always hidden the fact that she is a genius from everyone because all she wants is to be normal, but when she comes up with a plan to prove that grades are not important, things begin to get out of control.

A big, ugly fish has trouble making the friends he longs for because of his appearance--until the day his scary appearance saves them all from a fisherman's net.

Alec, a sixth-grade bookworm always in trouble for reading instead of listening and participating in class, starts a book club, solely to have a place to read, and discovers that real life, although messy, can be as exciting as the stories in his favorite books.

As Benjamin Pratt and his friends Jill and Robert continue their efforts to save their school, they find themselves dodging two evil janitors, Lyman and Wally, but their team has also grown and now has a secret fund of millions of dollars.

Seventeen-year-old Gwen, who has been living with her grandfather in Manhattan while she attends music school, joins up with another music student to solve the mystery when her grandfather suddenly goes missing.