2005 - Backyard Scientist a Science Wonderland for the Very Young (Paperback) ISBN-13: 9780961866389 ISBN-10: 0961866381 Genre: Children's Books ? 1994 - Backyard Scientist Exploring Earthworms with Me (Paperback) ISBN-13: 9780961866358 ISBN-10: 0961866357 Genre: Children's Books 2 1990 - Backyard Scientist Series 3 Exciting Challenging and Easy to Understand Experiments in the Life (Paperback) ISBN-13: 9780961866334 ISBN-10: 0961866330 Genre: Children's Books 1 |