Wagstaff City's Go Green Go-Cart Race is one week away, and Martha (the talking dog) and Helen decide to build a solar-powered go-cart. T. D. and Alice build a wind-powered go-cart, and it looks like Ronald and Reginald's is powered by goldfish---is that even possible?
Based on the PBS series Martha Speaks, this 24-page early reader with full-color illustrations is a lighthearted introduction to alternative energy and environmental terms. A natural for Earth Day!---from the publisher
24 pages 978-0547995472 Ages 5-9
Keywords: dogs, chapter book, Earth Day, science, part of a series, solar power, energy, 5 year old, 6 year old, 7 year old, 8 year old, independent reader, environment, transportation
