It doesn't need to be skeuomorphically constrained into a 'book' with cute page turning animations, and no ability to use a scroll wheel, shift-space to go back (looks like `space` is hardcoded in his script, but only works half the time), or any of the features you already have in a browser. (I wonder how accessible it is in a Screen Reader, too.)
The web is already a document system.
It doesn't need to be skeuomorphically constrained into a 'book' with cute page turning animations, and no ability to use a scroll wheel, shift-space to go back (looks like `space` is hardcoded in his script, but only works half the time), or any of the features you already have in a browser. (I wonder how accessible it is in a Screen Reader, too.)