Author: (children's science books) Mathematics Illustrated Dictionary, How Much and Ho Many Egyptian Tombs, Tombs of the Ancient Americas, Eureka Series: Caves, Markets, (with Glenn Blough) Nature Science series. Author Science Experiences series, The First Books of series (space travel, satellites, automobiles, also others). Author, co-author education materials.
Textbooks Ginn Science Program, multimedia programs, Starting Points, Learning Experienes, You and Me and Our World. Author filmstrips The Seasons. Story editor, writer, NBC children's series The First Look for television.