Includes index

The Human Design Systems' newest and first authorized publication is now available for purchase. The Definitive Book of Human Design, The Science of Differentiation, by Lynda Bunnell, Director of the International Human Design School, and Ra Uru Hu, Founder of The Human Design System, is a definitive collection of the foundation knowledge in one volume. Based on Ra's work, and with his approval and cooperation, this book is both a reference guide for Human Design students, professionals and enthusiasts, and a step-by step introduction for newcomers as they enter into their own experiment with these practical and life transforming tools