A pocket sized book, resembling a novel - with some important advantages... Instead of paper pages, the pages would be made of a thin, flexible, transparent plastic. There would be approx. 300 pages - small enough to carry around in any situation. This book would be digital. Tiny disks or microchips would be downloaded into a slot on the inner back cover, and the pages would magically turn into the pages of whatever book you downloaded - a Biology textbook, or War and Peace - any book in...