Books like Becoming Orthodox
Peter E. Gillquist
Becoming Orthodox is 190 pages, about 3 hours 29 minutes at 250 words a minute.
6 books to read next
How long each takes
The Orthodox Church 6.5 h 
The Spiritual Combat 4.8 h 
The Orthodox Study Bible 33.4 h 
The Orthodox Way 3.6 h 
The Orthodox Way 3.6 h 
Orthodoxy and the Religion of the Future 4.4 h Bar height shows length. Estimated at 250 words a minute.