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 turns a phone message from Pip's mother into a music lesson with a secret meaning, Nate the Great steps in to solve the mystery.

Nate the Great searches for a missing weed after it disappears from a pot on Oliver's porch.

Young detective Nate the Great's cousin Olivia, an "agent for secrets," gets to work on a mystery of her own when a schoolmate named Duncan calls to tell her his best friend disappeared at the pizza shop.

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

Nate the Great and his cousin Olivia are on the case of a runaway turkey, but unfortunately the clues appear to contradict each other.

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.

Nate the Great solves the mystery of the missing picture.