I managed to memorize the forwards and backwards order of half a deck of cards the first time I tried using this book: http://www.amazon.com/How-Develop-Super-

I managed to memorize the forwards and backwards order of half a deck of cards the first time I tried using this book: http://www.amazon.com/How-Develop-Super-Power-Memory/dp/0811901815 http://www.amazon.com/How-Develop-Super-Power-Memory/dp/0811... And then I promptly picked up a new book to half read after life distracted me for a week and I forgot about that one.