Marjorie Weinman Sharmat

In spite of a phony clue and trouble from a fierce cat, Nate the Great is able to use his skills of detection to find the remaining parts of an incomplete message left mysteriously on his doorstep.

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

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

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.

Nate the Great and his dog Sludge try to track down Claude's missing Stegosaurus stamp.

Nate the Great and his dog Sludge look for Annie's housekey which has mysteriously disappeared.

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

Nate the Great follows the clues to find his lost dog, Sludge, in a department store.

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

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