Books like Understanding Human Sexuality
Janet Shibley Hyde, John D. DeLamater
Understanding Human Sexuality is 662 pages, about 12 hours 8 minutes at 250 words a minute.
12 books to read next
How long each takes
The Ultimate Sex Book 3.5 h 
Sexuality 2.4 h 
Human Sexuality 10.5 h 
Our Sexuality 12.9 h 
Human Sexuality 12.6 h 
Ultimate Sex Guide 4.0 h 
Human Sexual Response 6.7 h 
Anne Hooper's Ultimate Sex Guide 4.6 h 
The Sex Atlas 9.9 h 
Forbidden Flowers 5.9 h 
Eroticism 5.6 h 
Sexuality Today 10.8 h Bar height shows length. Estimated at 250 words a minute.