Books like How to Raise an Adult
Julie Lythcott-Haims
How to Raise an Adult is 368 pages, about 6 hours 45 minutes at 250 words a minute.
6 books to read next
How long each takes
The Five Love Languages of Teenagers 5.0 h 
How To Raise A Boy 6.2 h 
Chicken Soup for the Soul 6.9 h 
Hold Tight 8.1 h 
Raising Boys 4.1 h 
Where the Dead Sit Talking 5.0 h Bar height shows length. Estimated at 250 words a minute.