Glenn J. Morris is an eighth dan shidoshi in Togakure Ryu Bujinkan Ninpo, a martial lineage that has existed unbroken since the eleventh century, a six dan black belt in Nihon Karate Jujutsu, and a master instructor of esoteric meditation. He is vice-president of Pacific Biotech International of Houston, Texas, a research and development company, as well as Dean of General Academics in Eurotechnical Research University. Morris mixes fighting tales, philosophy, and general humor and wisdom in all his titles. His books are especially popular with teenagers but, like good comics with a lesson, they can be enjoyed by all ages.