In a look at the biggest of these wonders . . . Prothero delves into these overlooked big guys, the most massive mammals to ever walk the Earth . . . [and] cuts across every aspect of paleontology to tell the story of these vanished giants. Chapters range from entertaining recounting of discoverers . . . to scholarly descriptions of the rules that biologists must follow to name a new species or estimate a vanished rhino's weight.(USA Today) Through copious background details, Prothero celebrates great and lesser-known names in the history of paleontology, as well as geological and taxonomic nitty gritty.(National Geographic Laelaps) Within this slim tome . . . Prothero packs in an encyclopedic summary of indrithocere anatomy and biology . . . Highly recommended.(Choice) Clearly, this book is a milestone on the subject, one of those books that are a classic already at their first appearance.(Priscum)