"A very well-written book. The prose flows easily; it is hard to stop reading once one starts. The presentation of scientific information is excellent. Rather than creating a synthesized story, Foster presents material in its true complexity without resorting to annoying speculation. . . . There is much to be learned from reading this book . . . Recommended."—, reviewing a previous edition or volume"This book makes the discovery and science of dinosaurs easily accessible to a variety of audiences with differing backgrounds."—Samantha Sands, American Paleontologist, reviewing a previous edition or volume". . . a valuable reference for Morrison specialists. It is a comprehensive, logically structured, well-illustrated, and extremely well-written book. . . . Foster's ability to incorporate such a large body of information, and yet make it accessible, interesting, and useful to a wide variety of readers, is a remarkable achievement."—Jeffrey Martz, Journal of Vertebrate Paleontology, reviewing a previous edition or volume