Not by Fire but by Ice: Discover What Killed the Dinosaurs...and Why It Could Soon Kill Us By Robert W. Felix
Forget global warming. The next ice age could begin any day. Beginning with the dinosaur extinction of 65 million years ago, Not by Fire but by Ice explores the relationship between mass extinctions, ice ages, and geomagnetic reversals (times when compasses would have pointed south instead of north). --This text refers to an out of print or unavailable edition of this title.
From the Publisher
A must-read. You'll shudder every time you see a snowflake. --This text refers to an out of print or unavailable edition of this title.