"In these new and accurate transcriptions, long overdue, of the letters and diaries written during the expedition, the crew members emerge from the shadows to t

One hundred years ago John Wesley Powell set out to explore the Grand Canyon of the Colorado - something no man had attempted before. His official report of the

Colin Fletcher relates the experiences of his two month hike through the Grand Canyon and describes the awesome timelessness and vastness of this lonely region.

Drawing on rarely examined diaries and journals, Down the Great Unknown is the first book to tell the full, dramatic story of the Powell expedition. On May 24,