Sharmat, Marjorie Weinman

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 dog Sludge try to track down Claude's missing Stegosaurus stamp.

Nate the Great interrupts his backyard vacation to find his friend's lost grocery list--before lunch.

Nate the Great solves the mystery of the missing picture.

While traveling on the train to San Francisco with his cousin Olivia's owl, Nate the Great and his dog Sludge must use all of their detective skills when the owl suddenly disappears.

Nate the Great finds mystery at the beach when Oliver's beach bag vanishes.

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.

On Career Day Santa Claus visits school and tells the children how he was trained for his job by the old Santa.

Nate and his dog Sludge try to solve a case on Halloween night and find themselves locked in a haunted house.

Nate the Great investigates two cases that may be connected, involving a missing valentine and a valentine that came from nowhere.