Books
- Introduction to Celestial Mechanics/2nd Revised Edition
- Using the Meade ETX : 100 Objects You Can Really See with the Mighty ETX (Patrick Moore's Practical Astronomy Series)
- Touring the Universe through Binoculars : A Complete Astronomer's Guidebook (Wiley Science Editions)
- Off the Planet: Surviving Five Perilous Months Aboard the Space Station Mir
- Theories of the World from Antiquity to the Copernican Revolution : Second Revised Edition
Books