Books like Questions Are the Answers
Allan Pease
Questions Are the Answers is 97 pages, about 1 hour 47 minutes at 250 words a minute.
6 books to read next
How long each takes
Pitch Anything 4.1 h 
Ice Breakers! How To Get Any Prospect To Beg You for a Presentation 1.9 h 
Five Stars 4.7 h 
HBR Guide to Persuasive Presentations 4.2 h 
Resonate 5.0 h 
Communicate to Influence 5.6 h Bar height shows length. Estimated at 250 words a minute.