When the entire Christopher Columbus exhibit disappears from the local museum, fourth-grade sleuth-in-training Alec Flint investigates, aided by his new classmate and potential partner, Gina, who wants his help looking into the disappearance of a teacher
The Thea Sisters are visiting friends in Spain when a mysterious theft turns their trip into an investigation! They end up hot on the trail of a secret treasure. The mouselets are in for an incredible adventure full of flamenco dance!
When Dink, Josh, and Ruth Rose visit a dude ranch in Montana, they find themselves with another mystery to solve, this one involving the theft of money from the ranch's safe and of a large gold nugget that Josh had found
When someone steals the money the town has been collecting to help the ducks, Josh and his friends try to find the thief
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
While visiting their friend Wallis and her adopted daughter on Mount Desert Island, Maine, Josh, Dink, and Ruth Rose investigate why three white wolf cubs were stolen, and by whom
Dink, Josh, and Ruth Rose help catch the thieves who have stolen gold from Sammi's parents, the king and queen of Costra
No matter how hard he pleads and begs, the pigeon is not supposed to drive the bus while the driver is away, but pigeon tries every persuasive trick a young child knows to get you to say, Yes.""
Rachel and Kirsty must retrieve the magic topaz which Jack Frost has stolen so that Chloe, the topaz fairy can change girls into fairies and goblins into teddy bears