Books like Be a Sales Superstar
Brian Tracy
Be a Sales Superstar is 166 pages, about 3 hours 3 minutes at 250 words a minute.
6 books to read next
How long each takes
Death of a Salesman 2.6 h 
How to Sell Anything to Anybody 3.5 h 
How I Raised Myself from Failure to Success in Selling 4.7 h 
The One Minute Sales Person 2.0 h 
How to Make $25,000 a Year Selling 3.3 h How to Sell Your Way Through Life 4.6 h Bar height shows length. Estimated at 250 words a minute.