When Grams drives her truck across Canada, she sends her grandson, Buzz, several postcards. Clues on the postcards help Buzz figure out where Grams has been. As you read, you can follow Gram's travels on a map. You can even help Buzz with his last puzzle: figuring out where his grandmother's trip will end.

"Text Form: Recount; Topic: Canada"--P. [4] of cover.