Mind Hacking: Train Your Mind and Become More Intelligent with a Happy Brain

3 books in a bundle!
Book 1: As we all know, we only use a small portion of our brain, and just like muscles in other parts of our body, the brain can be trained to function better. The author will take you by the hand and show you what's possible, and you will be amazed at what you are capable of. No fluff, just getting to the point and indicating all the power of the mind you aren't using.
Book 2: You may have wondered how to solve a crossword puzzle, decode cryptograms, and increase your ...