Books are designed. Lots of consideration is put into the typography, layout, rhythm and form of printed books, and those design choices stretch back over a hundred years. There is much more at play than "justification, and paragraphs, and if you're lucky a nice font."

https://en.wikipedia.org/wiki/Jan_Tschichold

http://www.amazon.com/Systems-Graphic-Systeme-Visuele-Gestal...

https://en.wikipedia.org/wiki/The_Elements_of_Typographic_St...