James Chestek is a 35 year veteran of the aerospace industry and has worked on a variety of interplanetary probes as well as on Strategic Defense Initiative.  In "Doomsday Asteroid", he and Donald W. Cox explore the probabilities of a terrestrial impact by a "dinosaur killer", the likely effects of such an impact and what steps we need to take to protect ourselves from this inevitable occurence.  "Doomsday Asteroid" goes on to explore how the asteroids can become our stepping stones to the rest of the solar system.  This book is a must read for anyone interested in a human presence in space.

• Doomsday Asteroid: Can We Survive?