Books like A World Without Email
Cal Newport
A World Without Email is 304 pages, about 5 hours 34 minutes at 250 words a minute.
6 books to read next
How long each takes
The 80/20 Principle 5.2 h 
The Mom Test 2.5 h 
The Trusted Advisor 4.4 h 
Five Stars 4.7 h Nice Girls Don't Speak Up or Stand Out 6.2 h 
5 Steps to Professional Presence 4.7 h Bar height shows length. Estimated at 250 words a minute.