Will Martha and Skits trade their friendship for a toy?

Martha and Helen decide to enter Wagstaff City's Go Green Go-Cart race. They do some research and visit the junkyard to find what they need to built a solar-powered cart. T.D. and Alice also visit he junkyard because they are making a wind-powered cart. Ronald and Reginald win the race with their cart "powered by a goldfish" but later they fight and crash into a post revealing that it is a lawnmower! T.D. and Alice are the real winners and Junkyard...

In this early reader based on an episode of PBS's Martha Speaks, TD brings a new chew toy over to Helen's house. Martha barely gives it a second glance as Skits bounds off with it. That is, until she sees how cool it is -- it's a squeaky flying squirrel! From then on, the two dogs can't stop fighting over who gets to play with the toy. Will Martha and Skits ever reach an agreement about how to share? TD trae un nuevo juguete para masticar a la casa...