The Scientific American Book of Dinosaurs is a startling definitive look at the monsters of the Mesozoic era. It provides a complete portrait of their existence, including how they evolved, what they looked like, where they lived, how they behaved, and why they died.

Groundbreaking essays by acclaimed paleontologist detail everything from how the first discoveries of dinosaur fossils created a new science, to how modern technology has brought about drastic changes in the way we envision dinosaurs. The most sensational finds and the latest theories are covered, and some of the hottest debates in paleontology are explored such as:

· Are birds living descendants of dinosaurs?

· Were dinosaurs sluggish cold-blooded reptilians, or radically different?

· How did the dinosaurs' world change over time?

· How and why did the major dinosaur families become extinct?

The Scientific American Book of Dinosaurs presents a spectacularly illustrated tour of the 140-million-year existence id the most exotic and interesting group of animals ever to walk the earth.