A book that scientifically explores the strength of Aikido and Chinese martial arts. - Title: Why are Aikido and Chinese Martial Arts so Strong? - Author: Eiji Yamada - Publisher: Frombooks - ISBN: 978-4-8094-1099-4 - Language: Japanese - Genre: Martial Arts I read it once or twice after purchasing it, and then it sat on the bookshelf. The condition looks good, but it is still a used item. Please refrain from purchasing if you are sensitive to this or if you are looking for a 100% perfect item. #Aikido #ChineseMartialArts #TaiChi #TangLangQuan #Baguazhang #StructureOfMartialArts #PracticalityOfTraditionalMartialArts Thank you for looking.