Book information:

Title- Calculating God

Author- Robert J. Sawyer

Publisher- TOR science fiction

Author's Awards- Nebula Award-Winner for best Novel, Nebula Award Nominee for best Novel, Hugo Award four time Nominee for best Novel, Two time winner of Aurora Award for best Novel, Canadian National Bestseller

Copyright- 2000

Library of Congress Card Catalog Number: 00-027662

Synopsis from back of book-

The provocative new science fiction thriller from the Nebula Award- Winning author of The Terminal Experiment. Robert J. Sawyer, delivers a powerful and resolutely human speculation about genetics, human origins, and the existence of faith and God.

An alien shuttle craft lands outside a museum. Out pops a six-legged, two armed alien named Hollus who says, "Take me to your paleontologist. The paleontologist, Tom Jericho, helps Hollus investigate Earth's evolutionary history. It seems that Earth and Hollus' own planet, and the home planet of another alien species traveling with Hollus, all experienced the same five cataclysmatic events at about the same time, including events exact like the meteor the wiped out the dinosaurs.