Laurence J. Yadon is an attorney, mediator, and arbitrator. He has assisted the Department of Justice in litigation matters before his local United States district court and has successfully argued before the US Supreme Court. He is the co-author of Pelican's 100 Oklahoma Outlaws, Gangsters, and Lawmen: 1839-1939; 200 Texas Outlaws and Lawmen: 1835-1935; Ten Deadly Texans; Old West Swindlers; Arizona Gunfighter; and Outlaws with Badges. Yadon resides in Tulsa, Oklahoma. Dan Anderson is a former award-winning newspaper journalist and photographer. He resides in Katy, Texas. Anderson and Yadon are also the authors of 100 Oklahoma Outlaws, Gangsters, and Lawmen: 1839-1939, also published by Pelican. Robert Barr Smith is a History Channel commentator and the author of more than thirty articles and five books. He co-authored Old West Swindlers, and Outlaws with Badges, and has been the editor for Yadon's other titles. Smith served more than twenty years in the Judge Advocate General's Corps. He is a former deputy attorney general of California and a retired professor of the University of Oklahoma College of Law. Smith lives in Norman, Oklahoma.