Books like Through the Narrow Gate
Karen Armstrong
Through the Narrow Gate is 285 pages, about 5 hours 14 minutes at 250 words a minute.
12 books to read next
How long each takes
Changing Habits 7.3 h 
In This House of Brede 7.5 h 
Five for Sorrow, Ten for Joy 4.8 h 
Left to Tell 4.0 h 
Apologia Pro Vita Sua 7.3 h 
Amen 3.5 h 
Nuns 5.7 h 
Doubt 1.1 h 
The Patron Saint of Liars 6.6 h La Monja Desvestida 2.0 h 
The Interior Castle 4.7 h 
The Practice of the Presence of God 1.8 h Bar height shows length. Estimated at 250 words a minute.