Books like Communication Works
Teri Kwal Gamble
Communication Works is 529 pages, about 9 hours 42 minutes at 250 words a minute.
6 books to read next
How long each takes
Keep It Shut 3.4 h 
Public Speaking 8.5 h 
Communication 9.1 h 
Verbal Behavior 8.8 h 
Talking from 9 to 5 6.8 h 
Teaching Oral Communication in Grades K-8 5.7 h Bar height shows length. Estimated at 250 words a minute.