After passing a series of mind-bending tests, four children are selected for a secret mission that requires them to go undercover at the Learning Institute for the Very Enlightened, where the only rule is that there are no rules.

As further evidence of his family's bad fortune which they attribute to a curse on a distant relative, Stanley Yelnats is sent to a hellish correctional camp in the Texas desert where he finds his first real friend, a treasure, and a new sense of himself.

"Eddie Becker has the idea of a lifetime-- a guaranteed million-dollar invention. Then the plans get stolen. Eddie is beyond upset, but Jigsaw Jones and Mila Yeh are on the case! And Jigsaw is even going to invent a gadget of his own to get to the bottom of this mystery."--Page [4] of cover.

It's wintertime at Greenglass House. The creaky smuggler's inn is always quiet during this season, and twelve-year-old Milo, the innkeepers' adopted son, plans to spend his holidays relaxing. But on the first icy night of vacation, out of nowhere, the guest bell rings. Then rings again. And again. Soon Milo's home is bursting with odd, secretive guests, each one bearing a strange story that is somehow connected to the rambling old house. As objects...

Sherlock Holmes and Dr. Watson descendants, Charlotte and Jamie, students at a Connecticut boarding school, team up to solve a murder mystery.

A pigeon private eye captures a birdnapper with help from his feathered friends.

Second-grade detectives Jigsaw, Mila, and their friends follow clues after Old Rusty, a little boy's rattletrap bicycle, is stolen.

Dotty is sporty, funny, creative, clever and fearless. She is great with codes and puzzles and if there's a mystery to solve, she's your girl. Dot and her teacher are both super excited about their birthdays. Dot's mum is planning a speical party for her and the class has made a surprise present for Mr D. But then the gift is stolen. Who could have taken it? It's up to the Join the Dots Detectives to find out.

When Monty the chipmunk's cupcake is stolen, owl detectives Wallace and Grace try to find "whoo-done-it."

"When the Chicken Squad goes on a family vacation to a farm, there is a looming dark shadow that is pestering Sugar"-- It was supposed to be a nice chicken-family vacation to a farm. But Sugar is certain that she is being watched, and when Poppy's beloved shoe (the shoe that keeps her safe and snug) goes missing, Sugar is sure that this shadow is the culprit. How can the Chicken Squad tackle a shadow-- without ruining the family reunion?