Secrets of Itto-ryu: Book Four Paperback – May 23, 2024

The First and Only English Translation of a Once Secret Samurai Swordsmanship ManualFor the first time, the foundational scrolls of one of Japan’s most elite samurai sword schools are revealed to English-speaking readers.Secrets of Ittō-ryū: Book Four is the fourth volume of the first and only English-language translation of Ittō-ryū Gokui, originally published in Japan in 1965. This book explores the inner teachings—the once secret core philosophy—of Ono-ha Ittō-ryū, a school of kenjutsu that shaped the development of modern martial arts including kendo, Daitō-ryū aikijūjutsu, and aikido.Written by Sasamori Junzō, the 16th headmaster of Ono-ha Ittō-ryū and a renowned expert in kendo (8th Dan, Hanshi), this volume distills over 70 years of study and practice into a clear, detailed exposition of the school’s most closely guarded teachings.What You’ll Find in This Volume:A full translation of the four secret scrolls of Ono-ha Ittō-ryū—revealed in English for the first timeDetailed commentary on each scroll, based on the author's personal interpretation and researchThe dimensions, fittings, and specifications of the long and short swords used in the traditionThe author’s concise summary of the key lessons of these scrolls distilled into ten lessonsInsights into how these teachings influence today’s martial arts, offering valuable perspective for practitioners of kendo, aikido, Daitō-ryū, and related disciplinesWith annotations by Mark Hague, the highest-ranking non-Japanese practitioner of mainline Ono-ha Ittō-ryū and direct student of Sasamori Takemi, this book offers not just translation but context—making complex classical teachings accessible and relevant.Whether you're a martial artist, historian, or student of Japanese culture, this book offers unparalleled access to a foundational school of samurai strategy and swordsmanship.A portion of proceeds supports the Reigakudo Foundation in Japan, helping preserve classical martial arts for future generations. Read more