Book excerpt: Wing Chun is a logical, scientific yet simple Chinese martial art system, which was developed purely for practical and effective self-defence for everybody. It is a martial art known for its efficiency and economy of movement, which emphasizes natural and efficient use of the body. Topics include: the fundamental principles of the hand and leg techniques; detailed explanations of the shape, structure and movements and a checklist for each technique; a detailed analysis and explanation of each of the 'empty hand' forms; an in-depth explanation of the principles and concepts behind Chi Sao, Wing Chun's 'sticky hands'; a scientific and anatomical explanation of the basic principles underlying the Wing Chun system.