It describes the actions and interactions of a group of highly mobile dogs, who operate cars and other conveyances in pursuit of work, play, and a final mysterious goal: a dog party.
The book introduces concepts such as color and relative position with simple language and humor. ("The blue dog is in. The red dog is out.") The book helps children learn basic concepts and actions like playing, working, going up, going down. The book also teaches children colors and conveys emotion