Shinshin Toitsu Aikido - Soshu Koichi Tohei This book (content) is a textbook on Shinshin Toitsu Aikido by Soshu Koichi Tohei, published in 1972 (Showa 47). It was republished as a reprint in 2009 (Heisei 21). This is a valuable item that is difficult to obtain. This was purchased for storage. Recommended for those interested in or studying Shinshin Toitsu Aikido. Please consider it and thank you. #Aikido #KoichiTohei