Les Coalson author of Color of Blood mystery novel and Sever the Darkness mystery novels. Enviromental fiction. Lester COalson, Guadalupe River, Texas Gulf Coast, Eakins Press, Clay Aker, Central Texas, Texas Pollution, Texas Ranger, Texas Myster Novel, Texas Mystery Author, Texas A&M Alumni, Texas Writer, Sever The Darkness, COlor of Blood, Lester Coalson, Evironmental Webites, Evironmental Links, Texas Evironmental Webites,