New York: Modern Publishing, Division of Unisystems, (1994). Hardcover first edition - An omnibus edition which includes several books for older children originally published separately: Our Solar System,, Mercury, Venus, Earth, Mars, Illustrated throughout with both full color and black and white paintings, drawings and photographs. Fact files about each planet. Glossary, index. Oversized format. 157 pp. ISBN: 1-561444278.