Authors Vanda North and Richard Israel explain the ground breaking techinque Mind Chi. Just as Tai Chi has been used for centuries to balance body and mind, Mind Chi will help you increase your mental energy and be more effective in everything you do. It just takes 8 minutes of mental exercices a day to train your brain to perform at its peak. This is a brand new, ingenous technique which combines mental exercises and mind mapping. 8 minutes a day is all it takes to open up a world of superior mental performance!