Books like The Mothman Prophecies
John A. Keel
The Mothman Prophecies is 288 pages, about 5 hours 17 minutes at 250 words a minute.
12 books to read next
How long each takes
Communion 5.5 h 
Alien Agenda 8.0 h 
UFOs 6.3 h 
Glimpses of Other Realities 6.7 h 
Abduction 8.5 h 
UFO Chronicles of the Soviet Union 3.9 h 
Transformation 4.9 h 
Dimensions 5.7 h 
Hidden Truth 6.0 h 
Alien Abductions 3.2 h 
The Day After Roswell 6.5 h 
The Book of the Damned 5.8 h Bar height shows length. Estimated at 250 words a minute.