BARBARA GARDNER CONKLIN is a special education teacher at Plymouth Elementary School, in Plymouth, New Hampshire. She received a B.A. from Bard College and an M.Ed. from Plymouth State College. She has coauthored two books with Robert Gardner, Health Science Projects about Psychology and Science Projects about Sports Health . ROBERT GARDNER, former chair of the science department at the Salisbury School, in Salisbury, Connecticut, is a consultant on science education and a distinguished, prolific, and longtime author of science books for children, young adults, and adults. Among his many books are From Talking Drums to the Internet: An Encyclopedia of Communications Technology , Communication, Where On Earth Am I? , Human Evolution: Kitchen Chemistry , and Ideas for Science Projects . DENNIS SHORTELLE is a history teacher and former chairman of the history department at Salisbury School in Salisbury, Connecticut. He is the coauthor with Robert Gardner of The Future and the Past , The Forgotten Players: The Story of Black Baseball in America , and From Talking Drums to the Internet: An Encyclopedia of Communications Technology .