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.

As Nate the Great sets to work on his first international case, he searches for a lost "something" and saves the King of Sweden from a troublesome traveler.

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.

"The Earth Day Fair is days away, but Nate's classroom project--a robot named Mr. Butler--has disappeared. Nate the Great and his dog, Sludge, take on the unusual case, and they are soon searching high and low in and around the school. Will Nate find the robot in time for the fair?"--

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 : When Nate gets an urgent call from Annie about a lost picture, he immediately plunges into his new and baffling case with the cool detachment of a Sam Spade. Nate, the boy detective who "likes to work alone," solves the mystery and tracks down the culprit. In the process, he also discovers the whereabouts of Super Hex, the missing cat. Nate the Great goes undercover : Nate the Great has his first night case! Somebody is raiding Oliver's...

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

"Nate the Great helps his friend Esmeralda find the word she wrote down that was going to be the name of the upcoming pet concert, before it's too late"--

In this collection of eight stories, boy detective Nate the Great and his dog Sludge take on cases involving a lost grocery list, a missing stegosaurus stamp, a pet contest prize that has disappeared, a lost blue beach bag, a missing baseball base, a mysterious valentine, a giant turkey that is on the loose, and a vandal who is tearing pages out of books.

Nate the Great and the phony clue: Early one morning a torn slip of paper with the mysterious letters VITA appears on Nate the Great's doorstep. He and his faithful dog, Sludge, set off to solve this latest mystery. Nate the Great and the missing key: Nate doesn't especially want to go to a birthday party for Annie's dog, Fang. But when Annie loses her house key and can't get inside to set up the party, Nate and Sludge are hot on the trail. Nate...