Books like The Tibetan Yogas of Dream and Sleep
Tenzin Wangyal
The Tibetan Yogas of Dream and Sleep is 217 pages, about 3 hours 59 minutes at 250 words a minute.
10 books to read next
How long each takes
The Seer 3.5 h 
Surprised by the Voice of God 7.0 h 
Why We Sleep 6.8 h 
Falling Awake 7.7 h 
The Anatomy of Dreams 5.9 h 
Psychology and Alchemy 10.5 h 
Tantra 2.5 h 
The Basic Works of Aristotle 27.3 h 
Dreams, Illusion, and Other Realities 6.7 h 
Dancing the Dream 5.2 h Bar height shows length. Estimated at 250 words a minute.