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.

Nate the Great has just recieved a strange musical note. The note tells Nate's friend Pip what his mother wants him to do at four o'clock. Their friend Rosamond, Pip's piano teacher, has turned the note into a riddle. Nate the Great is on the case. He checks Rosamond's garage but doesn't find any clues. Later, Nate and his trusty dog Sludge don't see or hear anything strange at the band concert. T ...

The sun is shining, the birds are singing, and someone is eating the flowers in Nate the Great's garden. A green tortoise is slowly stepping across the lawn, and Nate is slowly following him. Where does Nate's green guest truly belong? It may take all of Nate the Great's patience and sharp eyesight to find out--slowly. Full color.