From the author of the best-selling and award-winning travel memoir Falling Uphill comes a prophetic dystopian novel.

What if global warming isn't the problem, but a symptom of something much worse?

Orphaned as a boy by a natural disaster that suffocated his village in Cameroon, Mykelti has dedicated his life to ensuring it never happens again. Now a renowned paleoclimatologist, he discovers the greatest mass extinctions in Earth's history were caused by cataclysmic oxygen depletion. And it h...