Martha Go, Go, Goes Green!Book - 2013
Martha the talking dog and Helen decide to build a solar-powered go-cart for the Wagstaff City race, while T.D. and Alice build a wind-powered cart.
Publisher: Boston : Houghton Mifflin Harcourt, 2013.
Characteristics: 20 p. :,col. ill. ;,23 cm.
Alternative Title: Martha speaks (Television program)