Complex sentence: His book "Football Scouting Methods" (Ronald Press, 1962) became a standard, described by Charley Casserly as the best book on the subject he had read, and by Bleacher Report as the "Bible" of football scouting.
Split into simpler sentences: His book "Football Scouting Methods" (Ronald Press, 1962) became a standard, described by Charley Casserly as the best book on the subject he had read. He wrote "Football Scouting Methods", described by Bleacher Report as the "Bible" of football scouting.