Annie's dog is unhappy. When Fang is unhappy, everyone is unhappy. Especially Nate the Great. So Nate agrees to sniff out Fang's mysteriously missing Christmas mail. It's cold and snowy. But Nate the Great and his dog, Sludge, will try to solve this holiday case in time for Fang to have a crunchy, munchy Christmas.
Boy detective Nate the Great and his steadfast assistant, a dog named Sludge, set out to solve the mystery of Annie's dog Fang's missing Christmas mail. Fang doesn't have a stiff upper lip, and so no one's happy. Until the card resurfaces, Christmas could be ruined Color illustrations accompany the story, which is part of the beginning reader Nate the Great series.
- Genre: Juvenile Fiction
- Subgenre: Animals / Dogs, Holidays + Celebrations / Christmas, Mysteries + Detective Stories, Readers / Chapter Books, General
- Age: 4-8 years
- Publisher: Yearling Books
- Pages: 41
- Language: English
- Format: paperback
- Release Date: September 27, 2005
- Date Published: September 27, 2005
- Author: Craig Sharmat, Marjorie Weinman Sharmat
- Illustrator: Marc Simont