"Guide to the Canyons" is an exciting book prepared by the authors of the Yellowstone Library and Museum Association and the United States. National Park Service. In this book you will find detailed descriptions of canyons and surrounding areas known for their unique beauty and natural wonders. The authors reveal in detail the history of each canyon, its geological features and the uniqueness of flora and fauna. This book will be an indispensable source of information for those who dream of visiting the canyons and learning more about these fantastic places."