The Complete 4 Book Set, In Amazing Condition for 40 Plus Years... 1) Self-defense techniques 2) Basic training 3) Skill in techniques 4) Advanced techniques Also Included Bonus Book -Tao of Wing Chun Do Volume 2 Bruce Lee's Chi Sao. Again, these are all in amazing shape, no binding bends, folds, crease marks or written notes or scribbles.