Marjorie Weinman Sharmat

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

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

When Rosamond's birthday gift for Nate disappears from her sled, the boy detective decides to unravel the mystery. In braille with interlinear typescript.

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

Nate the Great goes to San Francisco to solve a mystery with his cousin, Olivia Sharp, who is also a detective.

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

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.

Even a deep snow the week before Christmas can't keep Nate the Great and his dog Sludge from finding the special card sent to Annie's dog Fang by his mother.

When Rosamond looks into her crystal ball to read Nate the Great's future, she sees a new case for him to solve--her money box is missing and she wants him to find it.