Complete Aikido(Reprint) Aikido Kyohan: The Definitive Guide to the Way of Harmony (Complete Martial Arts) by Roy Suenaka, Mr ChristopherWatson Paperback, 416 Pages, Published 2017 by Tuttle Publishing ISBN-13: 978-0-8048-4876-3, ISBN: 0-8048-4876-9
Fiction 4-Pack #1 by Mr ChristopherWatson Paperback, 184 Pages, Published 2013 by Elsewhere Publishing ISBN-13: 978-1-62538-013-5, ISBN: 1-62538-013-5
"Four short stories from Christopher Watson: Roach's Run, Clearing Crystal, Unseen, and Used To Be. Also included, two previously unreleased pieces of fiction."
Fiction 4-Pack #2 (Paperback) by Mr ChristopherWatson Paperback, 152 Pages, Published 2013 by Elsewhere Publishing, United States ISBN-13: 978-1-62538-030-2, ISBN: 1-62538-030-5
"Four short stories from Christopher Watson: The Jeweler's Daughter, From Ashes, Time Loop, and Sister Andrew. Also included, an additional piece of unreleased fiction."
Complete Aikido(1st Edition) Aikido Kyohan-The Definitive Guide to the Way of Harmony (Complete Martial Arts) by Roy Suenaka, ChristopherWatson Paperback, 416 Pages, Published 1997 by Tuttle Publishing ISBN-13: 978-0-8048-3140-6, ISBN: 0-8048-3140-8