Wikipedia
5000 pages, fully printed
Reproducing Wikipedia in a dysfunctional physical form helps to question its use as an internet resource. Articles in the book: Wikipedia’s featured articles.
Wikipedia : Rob Matthews
Honestly, I kinda forgot I had a blog. ;-)
Williamo's Blog 
And it’s so tall because computer paper is thicker than what it should be printed on (which should have been something akin to dictionary paper) and thus be able to fit way more in it, plus having the pages double sided, you could easily fit twice, maybe even thrice, as many articles into a book that tall. That’s why the math isn’t adding up.