As more and more of his flowers display the bite marks of a wandering tortoise, Nate sets out to uncover the mystery of the reptile's origins.

"Nate the Great and his trusty dog Sludge, have a tricky case to solve. Nate's friend Rosamond has started a future-telling business, but her money box is missing. Sludge and Nate visit Claude, who helped Rosamond set up her business, and Finley, who collects boxes for his rat. They can't seem to help. It looks like the only way to clean up this case is to get down and dirty in the dumps!

Nate the Great investigates the mysterious disappearance of the purple plastic octopus that his baseball team uses for second base.

Nate the Great takes on his first night case and tries to solve the mystery of the garbage snatcher. Includes related facts, jokes, recipes, and activities.

Nate and his dog Sludge are determined to find the recipe for his mother's monster cookies.

Nate the Great investigates the disappearance of a homemade pillowcase belonging to Rosamond's cat Big Hex.

"Henry, Jessie, Violet, and Benny used to live in a boxcar. Now they have adventures everywhere they go. At a lighthouse, the children find a mystery in the night!"--

Nate the Great and his dog Sludge try to track down Claude's missing Stegosaurus stamp. Includes related facts, recipes, and activities.

"Siblings Henry, Jessie, Violet, and Benny used to live in a boxcar. Now they have adventures everywhere they go. What secrets will the children find on their very own island?"--

When he finds a torn piece of paper with only part of a word on it, boy detective Nate sets out to find the missing pieces.