Books like You Must Relax
Edmund Jacobson
You Must Relax is 269 pages, about 4 hours 56 minutes at 250 words a minute.
7 books to read next
How long each takes
The Relaxation Response 4.0 h 
The Relaxation & Stress Reduction Workbook 4.8 h 
Common Sense Book of Baby and Child Care 11.5 h 
Women's Encyclopedia of Health & Emotional Healing 9.9 h 
The Vagina Bible 7.9 h The Science of Black Hair 4.7 h 
Pussypedia 7.9 h Bar height shows length. Estimated at 250 words a minute.