 His self-published book, "A Modern Approach to Keyboard Harmony and Piano Techniques," distills the complexities of jazz and classical harmony down to a simple yet far-reaching system of piano and harmonic exercises, and has become an underground classic for serious students of the instrument.Three Treatises on Imperial Military Expeditions

The Three Treatises on Imperial Military Expeditions is the conventional title given to a Byzantine literary treatise on warfare associated with Byzantine emperor Constantine Porphyrogennetos (905-959 AD), giving advice on how an emperor should prepare and mount a military campaign.It is actually the appendix to one of his major works, the "De Ceremoniis".