Anyone who has taken English Literature at university likely knows very well the Norton Anthology of English Literature. Published across multi-volumes, the anthology is known for its tissue-thin pages (probably uses something similar to Bible stock) and the fact they're able to cram a lot of pages into a relatively thin package. I have two Nortons that are both well north of 2,200 pages each, with this edition from 1986 holding the record, at 2,578 pages, as the thickest single book I own in terms of page count.
Does anyone have a book with a higher page count? The "rule" is it must be a single physical book, either paperback or hardcover. As is the case with my Norton, which is actually Volume 2 (Volume 1 is about the same size, as I recall), it can be a single volume in a set, or it can be a standalone.
The edition of the Norton Anthology of English Literature I had to buy for my classes was subdivided into no less than 6 volumes, so no one volume approaches the page count of the older editions.
Anyway - the book I own with the highest page count, clocking in at 2653+xxxii, is indeed a copy of the Norton Anthology of English Literature (Third Edition), published 1975. Runner-up is the Collins-Sansoni Italian Dictionary at 2277 pages.
Billboard American Singles Catalogue. Over 6,000 or Two Yellow Pages on top of each other Thick. The ultimate Anthology of American single records, from the 40's to 00's. H.