West of Eden

From a Science Fiction Hall of Fame inductee, “intelligent reptiles battle stone age humans for control of an alternate Earth” (Kirkus Reviews).

Sixty-five million years ago, a disastrous cataclysm eliminated three quarters of all life on Earth. Overnight, the age of dinosaurs ended. The age of mammals had begun.

But what if history had happened differently? What if the reptiles had survived to evol...