The Giant Spike-Toothed Salmon and Other Extinct Wildlife of Central California

Giant, spike toothed salmon and massive tortoises in California! 5 million years ago, California was a much different place, with some very weird animals. Go back in time and learn about the geology and paleontology of the Central Valley of California, with erupting volcanos and rivers that flowed in the opposite direction from today. Learn about the amazing extinct wildlife, how these animals became fossils, and the paleontologists who discovered them. This concise, engaging, and well-illustrated book is suitable for all ages.