It all started with a trip to the Visitor’s Center on the North Rim of the Grand Canyon. It was here that I found the strangest and seemingly macabre book about deaths in the Grand Canyon. Written by Michael P. Ghiglieri and Thomas M. Myers, Over the Edge: Death in the Grand Canyon (Amazon link) tells the tragic endings of visitors in or above the canyon. I laughed at first, wondering why anyone would ever read a book about death in a national park. However, after reading the back and skimming the table of contents…