S. A. Cosby, whose birth name is Shawn Andre Cosby, is an American author celebrated for his contributions to crime fiction, particularly the sub-genre known as 'Southern noir.' Born on August 4, 1973, in Newport News, Virginia, Cosby has made a name for himself with his gripping narratives and complex characters.

He currently resides in Gloucester, Virginia, along the scenic York River. Throughout his career, Cosby has penned several crime novels which have garnered attention and praise. His works include titles such as My Darkest Prayer, All the Sinners Bleed, Blacktop Wasteland, and Razorblade Tears. These novels showcase his talent for weaving tales that not only entertain but also provoke thought about the human condition and societal issues.