Longest book you've ever read?

don't remember the title but it was written in rhyme by a doctor and discussed the eating habits of a person regarding eggs and pork products of a particular color

The Far Pavilions by M. M. Kaye. It’s in two volumes for printing purposes, but they’re supposed to be a single manuscript clocking in at just under 1k pages.

bio of Trotsky - about 1500 pages

Been so long not sure of names. Marco Polo by Gary Jennings. The Walking Drum by Louis L'amour. and War and Remembrance by Herman Woak. I could be wrong about exact names of titles been so long..

From Dawn to Decadence by Jacques Barzun.
I'd be curious about what title the esteemed Original Poster would put up.

When it was new I read Harry Potter and the Deathly Hollows, 759 pages.

It's also the only Harry Potter book that I've read

Might be WAR A PEACE, unless you count things that come in multiple volumes.

David Copperfield was the longest book I've read.

Two volumes,biography of Mozart.

Battlefield Earth. What a miserable experience. 😂