Cute idea. Needs a better example document to really be judged properly (for example, this document has a far too many large and imposing headings), but in any case, some comments: Would be better with less leading, a smaller text size, smaller left margin, and more characters per line. This current version has a text block more like a newspaper column width than a book, and the large type and unnecessarily generous…
I find that columns with smaller width and larger text are far more readable - any text that is the raison d'être for the page should be readable first, with worries about looking like a "children's book" becoming second concern. “Critics who treat 'adult' as a term of approval, instead of as a merely descriptive term, cannot be adult themselves. To be concerned about being grown up, to admire the grown up because it…
The 55-75 CPL seems to stem from research done on readability on paper. 95 CPL seems more apt for the desktop browser when it comes to reading speed. When it comes to overall satisfaction the result is interesting. http://psychology.wichita.edu/surl/usabilitynews/72/LineLeng...