Mark Lee Gardner is the author ofnbsp; Rough Riders , To Hell on a Fast Horse nbsp;andnbsp; Shot All to Hell , which received multiple awards, including a Spur Award from Western Writers of America. An authority on the American West, Gardner has appeared on PBS'snbsp; American Experience , as well as on the History Channel, AMC, the Travel Channel, and on NPR. He has written fornbsp; National Geographic History , American Heritage , the Los Angeles Times ,nbsp; True West , and American Cowboy . He holds an MA in American Studies from the University of Wyoming and lives with his family at the foot of Pikes Peak.