Books
- Scientific American The Amateur Astronomer (Scientific American (Wiley))
- The New York Public Library Amazing Space : A Book of Answers for Kids (The New York Public Library Books for Kids)
- Are We Alone?: Philosophical Implications of the Discovery of Extraterrestrial Life
- Astrophysics Of Gaseous Nebulae And Active Galactic Nuclei
- Black Holes : A Traveler's Guide
Books