Mark Nesbitt was a National Park Service Ranger/Historian for five years at Gettysburg before starting his own research and writing company. Since then he has published fourteen books including the national award-winning Ghosts of Gettysburg series. His stories have been seen on The History Channel, A&E, The Discovery Channel, The Travel Channel, Unsolved Mysteries, and numerous regional television shows and heard on Coast to Coast AM, and regional radio. In 1994, he created the commercially successful Ghosts of Gettysburg Candlelight Walking Tours® and in 2006, the Ghosts of Fredericksburg Tours.