Robert Brigham is Professor Emeritus of Mathematics at a large state university and has over four decades of teaching and research experience. He has published over 100 mathematical papers in refereed international journals and conference proceedings. He has not let retirement get in the way of his continuing to teach, and has used his passion for teaching, mathematics and mysteries to launch his writing career. He lives in Florida with his wife, Patricia, where they can often be found training for half-marathons. They are proud doting parents of their greyhound, Callie.