April 15, 2008 (San Dimas, CA) Police-Writers.com is a website that lists state and local police officers who have written books.  The website added two Texas Rangers and one police officer who is a former Marine. W. J. L. Sullivan was a sergeant with the Texas Rangers from 1889 to 1901.  He is the author of Twelve Years in the Saddle with the Texas Rangers.   Captain Daniel Roberts joined the Texas Rangers in 1874 and served periodically until 1882.  Captain Daniel Roberts’ autobiography, Rangers and Sovereignty, was published in 1914. David Cortez is a former United States Marine who served one year with the Third Reconnaissance Battalion in Okinawa, Japan.  David Cortez is a graduate of Dallas Baptist University and holds a BA in business administration. He is a twenty-four year veteran of the Fort Worth Police Department, where he currently serves as a sergeant in the Patrol Division. Among his many assignments in police work are the Patrol Division, Vice, Intelligence, Narcotics, Burglary, Detective, Gang Unit, Federal Drug Task Force, (known as Weed-n-Seed) and the Training Division.   David Cortez is the author of A Personal Guide for Cabin and Cockpit Self Defense. According to the book description of A Personal Guide for Cabin and Cockpit Self Defense, “This book outlines a variety of self defense related issues. First it recognizes terrorism profound impact on the flight industry and the American way of life. Secondly, it draws informal parallels between the current flight industry and our system of policing while defining some terrorist methods of operations. Moreover, the book addresses a need for a change in attitude and purpose as it relates to flight personnel. Varied issues involving fear, emotional control, legality, personal attitudes, edged weapons defenses, and personal weapons, are delineated in this book.. What’s more, realistic self-defense measures are clarified for Cabin and Cockpit Defense. This book is a classic "HOW TO" on Self-Defense and a must read for airline personnel, police and the military.” Police-Writers.com now hosts 972 police officers (representing 408 police departments) and their 2065 criminal justice books in 35 categories, there are also listings of United States federal law enforcement employees turned authors, international police officers who have written books and civilian police personnel who have written books.