Books like Hypnobirthing
Marie F. Mongan
Hypnobirthing is 213 pages, about 3 hours 54 minutes at 250 words a minute.
8 books to read next
How long each takes
Ina May's Guide to Childbirth 6.5 h 
Self Hypnotism 3.8 h 
How to Hypnotize Yourself and Others 4.2 h 
Strategic Self-Hypnosis 4.1 h 
Husband-coached Childbirth 3.9 h 
Peace, Love & Healing 5.4 h 
The Guide to Childbirth 6.4 h 
The Birth Partner 6.2 h Bar height shows length. Estimated at 250 words a minute.