Books like The Invisibles Omnibus
Grant Morrison
The Invisibles Omnibus is 1,536 pages, about 28 hours 10 minutes at 250 words a minute.
12 books to read next
How long each takes
The Secret Agent 5.0 h 
White Sand 1 2.9 h 
Watchmen 7.7 h 
Saga 2.9 h 
Paper Girls, Vol. 1 2.6 h 
Kindred 4.4 h 
Star Wars 2.8 h 
Deadly Class, Vol. 1 2.9 h 
Y The Last Man, Vol. 1 2.4 h 
Superman 2.9 h 
The Legend of Korra 1.4 h 
Paper Girls, Vol. 2 2.4 h Bar height shows length. Estimated at 250 words a minute.