Without a doubt, Principles of Sports Training is the most significant work in the field of "General Theory of Training" in the German language. First published in 1969, the title has influenced generations/ thousands of students, coaches and sports scientists. Rooted in the East-German system of competitive sports, this work provides a comprehensive view on basic principles and an organized approach to sports training. Even though the book is still being printed in German, this is the first time in more than two decades that an English edition is made available. This book is a must-have for everyone who wants to have a basic understanding in training theory and the East-German approach to competitive sports.