- The End of the Dinosaurs, by Charles Frankel, Cambridge Univ. Press, 1999.
- Rain of Iron and Ice, by John Lewis, Addison-Wesley, 1996.
- Mining the Sky, by John Lewis, Addison-Wesley, 1996.
- Comet and Asteroid Impacts on a Populated Earth, by John Lewis, Academic Press, 2000.
- Comets, Creators and Destroyers,by David Levy, Touchstone (a division of Simon & Schuster), 1998.
- Rogue Asteroids and Doomsday Comets, by Duncan Steele, Wiley 1995
These are more technical but very good:
- Asteroids II, Edited by Tom Gehrels, Univ. of Arizona Press, 1989.
- Asteroids III, Edited by W. Bottke et al., Univ. of Arizona Press, 2002.
- Hazards Due to Comets and Asteroids,Edited by Tom Gehrels, Univ. of Arizona Press, 1994.