This illustrated account of comets has been written by the co-discoverer of Shoemaker-Levy 9, the comet that collided with Jupiter in July 1994. Levy argues that comet impacts on the Earth not only caused the extinction of dinosaurs, but also brought about new forms of life.

Quest for Comets 1995, Harper Perennial, New York, NY

ISBN-13: 9780380725267

Trade paperback

The Quest for Comets 1995, Oxford Paperbacks, Oxford

ISBN-13: 9780192861818

New edition

Mass-market paperback

The Quest for Comets 1994, Springer, New York, NY

ISBN-13: 9780306446511

Softcover Reprint of the Origi edition