Nick Allen is very bright, but he often gets into trouble at school. When he starts fifth grade with Mrs. Granger, who has a reputation for never letting her studnets get away with anything, it looks like his trouble-making days is over.

As the new Keepers of the School, sixth-graders Ben and Jill must decipher a handful of clues written as maritime riddles to save their school from demolition by a greedy company.

The Grayson twins are moving to a new town. Again.Although it's a drag to be constantly mistaken for each other, in truth, during those first days at a new school, there's nothing better than having a twin brother there with you. But on day one of sixth grade, Ray stays home sick, and Jay is on his own. No big deal. It's a pretty nice school, good kids, too. But Jay quickly discovers a major mistake: No one seems to know a thing about his brother....

As letters flow back and forth--between the prairies of Illinois and the mountains of Afghanistan, across cultural and religious divides--sixth-grader Abby, ten-year-old Amira, and eleven-year-old Sadeed begin to speak and listen to each other.

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.

Still adjusting to being blind, Alicia must outwit an invisible man who is putting her family and her boyfriend, who was once invisible himself, in danger.

Ted Hammond, the only sixth grader in his small Nebraska town's one-room schoolhouse, searches for clues to the disappearance of a homeless family. 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...

Life is usually easy for popular fifth grader Hart Evans, but when his music teacher puts him in charge of the holiday concert, Hart must use all of his leadership skills to unite the other students.

Fifth-grader Nora is really a genius. It's true, but don't tell anyone. She gets average grades so she can forgo the pressure-cooker gifted program. But she gets one hundred percent fed up over testing and the fuss everyone makes about grades, she bring home a terrible report card just to prove a point.

When Jake was 3 years old at Miss Lulu's Day Care Center, what did he know about bullies? Nothing. But he learned fast. Now Jake's in 4th grade and he can look back and see that the year that made the differencewas second grade.