Nate the Great solves the mystery of the missing picture.

The children and their grandfather spend the summer traveling on a train--in their own caboose.

Featuring friendship, school, family, and a diverse community, these early illustrated chapter books from James Preller have it all. Got a mystery to solve? Jigsaw Jones is on the case. Anything that ever goes missing or lost, Jigsaw and his partner, Mila, can find. Then, during a magic show, they watch a toy dinosaur disappear, right in front of their eyes! Even the magician can't seem to bring it back. Luckily Jigsaw doesn't believe in magic, and...

The children, who are spending the summer in a lighthouse on the New England coast, are disturbed by a mysterious woman walking the lighthouse grounds. Jessie's dog Watch wakes up growling almost every evening at midnight, and Henry finds a puzzling note in the sand.

Jigsaw's class is getting ready for parent's night. They are painting pictures to show their families. One minute they are coloring. The next minute Geetha's painting is gone!

The Alden children help out at the Greenfield Ice Cream Barn and while learning to make ice cream and create new flavors, they help solve a mystery before the Barn gets shut down.

When eight-year-old Nancy is invited to a sleepover party with a dolls theme, the host's doll goes missing and Nancy tries to solve her first case.

Dink, Josh, and Ruth Rose help catch the thieves who have stolen the treasure from the museum's mummy exhibit.

Dink, Josh, and Ruth Rose investigate the theft of a great deal of money from the belly of a nearly life-size Tyrannosaurus Rex model that their friend, Jud Wheat, is using to raise money for a dinosaur museum.

Selinsgrove is in the grip of alien fever because people saw a UFO, but nine-year-old reporter Hilde is skeptical about aliens--however when she and her photographer sister Izzy find evidence that something crashed near Grove Pond they are intrigued, (and nervous), and determined to investigate the story for Hilde's newspaper, the Orange Street News.