Marjorie Weinman Sharmat

Nate the Great solves the mystery of the missing picture.

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.

When Rosamond looks into her crystal ball to read Nate the Great's future, she sees a new case for him to solve--her money box is missing and she wants him to find it.

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

Cecil is afraid of his awesome classmate Ernestine, who makes firm attempts to get him over to her house for "surprises."