Guard Dogs on Patrol is the sixth and final book in a series about two Chihuahuas, Jack and Dobbie. The first book The Beginning tells how Dobbie came to be adopted through an animal rescue group as a playmate for Jack. Then Happy Tails describes events that nearly ended in disaster as well as more light-hearted moments of interaction with Jack. The third book Doggie Holidays explains how the dogs celebrate their birthdays and holidays with the family. Next Traveling Buddies details the vehicles the dogs like to ride in and the places they visit. The fifth book Mischievous Chihuahuas...