You are looking on one 5 1/2" by 8 1/2"87 page softcover copy of "COLTER'S HELL AND JACKSON'S HOLE - The Fur Trapper's Exploration of the Yellowstone and Grand Teton Park Region" by Merrill J. Mattes, printed in1962.This item is in goodcondition with a little bit of soiling of the covers,all the pages are clean and tight.Chapters include:strange land of "volcanoes" and " shining mountains", the mystery of "la roche jaune", john colter, the phantom explorer 1807-1808,and much, much more. Thanks for Looking.A19***Powered by eCRATER