This book aims to provide an in-depth exploration of Aikido, covering its history, fundamentals, techniques, philosophy and spirituality. It is aimed at both experienced practitioners and novices curious to discover this fascinating martial art.It aims to : Provide a comprehensive understanding of the history and development of Aikido; Explain in detail the technical and philosophical principles underlying this martial art; Offer practical advice for improving practice and deepening understanding of Aikido; Explore the spiritual dimension of Aikido and its application in everyday life; Examine the current state of Aikido worldwide and its future prospects.Through these pages, we will explore the essence of Aikido, not only as a system of self-defense, but also as a philosophy of life promoting harmony, respect and personal development. Whether you're a seasoned practitioner seeking to deepen your understanding, or a novice curious to discover this unique martial art, this book will guide you in your exploration of Aikido.