"""★ This eye-catching imagination grabber will be enjoyed (on different levels) by dinophiles of all ages."" --School Library Journal ""A rich and informative treatment of everything related to dinosaurs....even the higher-level concepts are presented remarkably clearly."" --Horn Book Review ""A very good bet for favorite 2007 dinosaur book in our PT PIX...truly sets a standard for reference material."" --Prehistoric Times ""Beautifully written and illustrated...this NSTA/CBC Outstanding Science Trade Book will be valuable in the middle through secondary classrooms."" -- National Science Teacher's Asspciation ""Encyclopaedic in scope and exceeds all expectations. A superior book the young dinosaur lover in your life will cherish."" -- Januarymagazine Online ""Would work beautifully as a gift for a paleontology-minded preteen...or any adults."" -- Wordcandy Online ""Dinosaur fans seeking exhaustive information...need look no farther than Holtz's scientifically oriented but accessible account...an outstanding resource."" --Publishers Weekly ""I am holding a treasure....This is a book that should have pride of place on any bookshelf."" -- Roger Smith, Publisher, Dinosaurnews Online ""This is the most comprehensive, up-to-date dinosaur book for enthusiasts of all ages, professional or non-professional in experience."" -- Dino Russ's Lair ""Anyone with even a passing interest in dinosaurs should not miss this journey into their diverse and strange world. Holtz and his colleagues fill the book with fascinating details ranging from discoveries of new species (e.g., a sauropod, Amphicoelias, with a mass of 18 elephants) to old favorites (e.g., Tyrannosaurus rex, which may have lived and hunted in packs). They cover major and minor groups, predator-prey relations, social interactions within species, habitats and habits, and evolutionary trends. With its conversational tone and Rey's engaging illustrations, the book should appeal to young adults and a general audience alike."" --Science Magazine"