Books like Letters from Prison
Antonio Gramsci
Letters from Prison is 559 pages, about 10 hours 15 minutes at 250 words a minute.
12 books to read next
How long each takes
Letters to Milena 5.3 h 
My Autobiography 9.4 h 
84, Charing Cross Road 2.2 h 
Selected Works 4.1 h 
To Sir Phillip, With Love 7.0 h 
Detskai︠a︡ Boleznʹ "Levizny" V Kommunizme 2.2 h 
Karl Marx 5.7 h 
Marx 1.5 h 
Bound for Glory 6.1 h 
Inside a Thug's Heart 4.1 h 
Wanderer 8.0 h 
Homage to Catalonia 4.5 h Bar height shows length. Estimated at 250 words a minute.