On Mastering Aikido is the most dynamic and easily accessible book ever written about the mysterious Martial Art known as AIKIDO. Written in dialog form it covers the 8 principles of mastership through conversations conducted by legendary Aikido Master Daniel Linden and his senior students and friends. This book is not for beginners or the timid. It boldly strikes out into areas other Aikido books have never touched and will advance most readers by a rank or two just from the reading. Sold now in over 50 countries it is a classic on the subject.