There is no set length for the number of pages for a first-class letter. This designation simply guarantees it will be delivered quickly and securely.
Eastern Standard Tribe has 224 pages.
A standard U.S Passport has 12 pages
The Crooked Letter has 640 pages.
The Letter of Marque has 284 pages.
Letter from Peking has 252 pages.
The Quran has 604 pages in the standard Arabic text.
5 pages-102 pages
European standard is 32 pages I think, and US is 24 pages but you can add pages to a US passport.
the book dead letter has 147 pages
The Last Letter Home has 311 pages.
So Long a Letter has 90 pages.
Letter to a Christian Nation has 96 pages.