Nate the Great solves the mystery of the missing picture.

"Nate the Great and his dog, Sludge, would like to take a break from solving cases. So they hide out in the woods. But soon they hear familiar voices shouting, "Nate the Great, where are you?" There are many mysteries to solve!"-- Provided by publisher.

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.

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

Nate the Great and his dog Sludge are on the case to find Pip's drone parrot in time for the Fourth of July picnic performance.