Fred Schaaf wrote the monthly “Eye on the Sky” column for Astronomy magazine for five years. He is a contributing editor and astronomy essayist for The Old Farmer’s Almanac, has written a regular astronomy newspaper column for the past 15 years, has had articles in Sky and Telescope, Highlights for Children, and Omni, and is an astronomy consultant to Time-Life Books. Previous books by Mr. Schaaf include the popular The Starry Room and Seeing the Sky.