Detective Jigsaw Jones and his friend, Mila, have a new case to solve after they happen upon a genuine mummy at the class Halloween party.

It's winter in Bayport, but things are heating up at the Morton family farm. It looks like someone is wreaking havoc with the property, and Chet and Iola Morton are worried that their grandparents are in danger of losing it! With their parents out of reach, the Mortons call on Frank and Joe Hardy for help. They need to figure out who's behind the trouble -- and fast. The Hardys are hot on the trail, but the Mortons' grandparents do something unexpected...

When they help out at a guide dog training school, the Alden children meet several people who seem obsessed with a particular dog named Ginger.

In the course of his job as Head of Ranch Security, Hank the dog is asked to guard five chicks, despite the fact that poultry is his favorite kind of dinner.

The Alden family rents a houseboat to drift down the river, and encounters a mystery in the little towns along the river, involving a fast black car.

While helping Joe protect a top-secret note, Wishbone remembers the brilliant French detective, C. Auguste Dupin, who lived in Paris in the nineteenth century and solved crimes using psychological reasoning.

Fifth-grader sleuth Cam Jansen uses her photographic memory to solve a monkey-smuggling mystery at the city zoo.

More mysterious cases for "America's Sherlock Holmes in sneakers" to solve for the standard twenty-five-cent fee. Solutions are included at the back of the book.

Though it means Nate can't get his dog ready for the smartest pet contest, he agrees to search for the missing prize for the contest.

Before James grew up to be a ruthless, remorseless villain, he was a curious boy from Boston, with a penchant for trouble and an acid tongue. Thrown into a boarding school against his wishes, James winds up rooming with a most unlikely companion: a lanky British know-it-all named Sherlock Holmes ("Lock" to his friends). An heirloom Bible, donated by the Moriarty family more than a hundred years ago, has gone missing, and it doesn't take long for the...