The authors argue that every so often comets and asteroids collide with Earth and change the course of natural history.
- ISBN10 0312155298
- ISBN13 9780312155292
- Publish Date 1 April 1997 (first published 1 July 1996)
- Publish Status Out of Print
- Out of Print 15 August 2012
- Publish Country US
- Imprint St. Martin's Press
- Edition US ed.
- Format Paperback (US Trade)
- Pages 264
- Language English