In the heart of a bygone era, where the clash of steel and the art of warfare defined the path of history, 'The Hundred Rules of War' by Tsukahara Bokuden emerges as a timeless beacon for the warrior spirit. Crafted by the legendary swordsman Bokuden, a revered figure whose prowess and wisdom transcended the tumultuous Sengoku period, this seminal work predates even Miyamoto Musashi's famed 'Book of Five Rings'. Composed of a hundred poetic verses, it serves as an ethereal guide, offering insights and strategies to young samurai who have yet to face the crucible of battle. Bokuden, drawing from his profound mastery, not only imparted techniques but also imbued his teachings with the philosophical essence of the samurai way, laying a foundation that would echo through the ages. This book, for the first time presented in English alongside the original Japanese script, invites readers into the intimate world of a warrior's heart and mind. With a history as captivating as its content, the text is adorned with a foreword by the Zen Priest Takuan Soho and an introduction by the eighth Tokugawa Shogun Yoshimune, enhancing its historical and cultural significance. 'The Hundred Rules of War' stands not merely as a manual of combat but as a testament to the enduring legacy of the samurai ethos. It is a rare glimpse into the martial philosophy of an era that shaped Japan, offering guidance, wisdom, and inspiration to those who seek to understand the depth of the warrior's path.