Books like 20 Ads That Shook the World
James B. Twitchell
20 Ads That Shook the World is 229 pages, about 4 hours 12 minutes at 250 words a minute.
7 books to read next
How long each takes
Twenty Ads That Shook the World 4.4 h 
Bill Bernbach's Book 4.0 h 
As Seen in Vogue 4.2 h 
The Mirror Makers 7.0 h 
Ogilvy on Advertising in the Digital Age 5.3 h 
All-american Ads 40S 3.5 h 
Soap, Sex, and Cigarettes 8.2 h Bar height shows length. Estimated at 250 words a minute.