Here’s an older but nonetheless fascinating post on an innovative book format call the flipback in England, the librinos in Spain the point2 in France, and the dwarsligger in the Netherlands.
Regardless of what you call it, this book format is a real hardcover volume, but it’s six times smaller than average and compact enough to tuck in your pocket. Due to its flexible spine, it can be read one-handed, which is great for all of us multi-taskers. Public transportation riders won’t elbow their neighbors when turning pages—besides the size, these books are read from top to bottom. But that’s not all so if you want to learn more fell free to click the above link.