A vivid excavation of Earth's 'Big Five' mass extinctions, the past worlds lost with each, and what it says about the not-too-distant future.

"As new groundbreaking research suggests that climate change played a major role in the most extreme catastrophes in the planet's history, award-winning science journalist Peter Brannen takes us on a wild ride through the planet's five mass extinctions and, in the process, offers us a glimpse of our increasingly dangerous future."--