Patent ID: 7571935

Claim:
A bound book, comprising a first page, a last page, and a plurality of pages therebetween, wherein the first page, the last page, and the plurality of pages form a block of pages having a spine; a front channel between the first page and the plurality of pages, wherein the front channel does not exist when the book is closed, but forms a dip having a trough when the book is open, and the trough is less than an inch away from the spine, and the front channel is formed from a portion of the first page that is not affixed to the plurality of pages; and a back channel between the last page and the plurality of pages, wherein the back channel does not exist when the book is closed, but forms a dip having a trough when the book is open, and the trough is less than an inch away from the spine, and the back channel is formed from a portion of the last page that is not affixed to the plurality of pages; wherein the plurality of pages lie flat when the book is opened.