Nate the Great takes on his first night case and tries to solve the mystery of the garbage snatcher.

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 and his dog Sludge look for Annie's house key which has mysteriously disappeared.

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

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

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

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.

The reader is asked to help Nate the Great solve the mystery of his friend Annie's missing dog Fang.

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

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 and his dog Sludge help Rosamond discover who has been tearing pages out of her books.

Nate and his dog are invited to a birthday party where the birthday girl is bringing her four snakes, one of which goes missing.

A friendly competition to grow the best organic garden is underway. The prize is tempting--a ribbon, a photo and article in the newspaper, and some all-you-can eat favorites from Ned's Diner! Esmeralda, Annie, Oliver, and Rosamond are among the competitors. Just a few days before contest judging, some of Rosamond's tomatoes go missing, and Nate and Sludge are called to investigate. Who is eager for tomatoes, and why? Nate and Sludge are on the case...