Books like Mary Ann in Autumn
Armistead Maupin
Mary Ann in Autumn is 336 pages, about 6 hours 10 minutes at 250 words a minute.
12 books to read next
How long each takes
Red, White & Royal Blue 8.1 h 
Faggots 7.0 h 
Dancer from the Dance 4.7 h 
Frisk 2.4 h 
Closer 2.6 h 
Paul Takes the Form of a Mortal Girl 6.2 h 
Teleny 3.4 h 
The Lord Won't Mind 5.5 h 
The Little Death 3.1 h 
Flashpoint 7.9 h 
The Story of the Night 5.7 h 
The Farewell Symphony 9.2 h Bar height shows length. Estimated at 250 words a minute.