Robert W. “Bob” Audretsch retired as a National Park Service ranger at Grand Canyon in 2009 after nearly 20 years of service. Since then, he has devoted himself full time to research and writing about the Civilian Conservations Corps (CCC). Bob grew up in Detroit, Michigan, and attended Wayne State University where he received a BA in history and a MS in library science. Prior to his work as a ranger, he was a librarian in Michigan, Ohio, and Colorado. He has written numerous articles in the fields of library science, sports, and history. He is currently researching a book about Phantom Ranch in the Grand Canyon to be published in 2012 and a monograph on the CCC in northwest Arizona to be published in 2013. Bob has a lifelong interest in history, nature, books, and art. He resides in Flagstaff, Arizona.