Books like Electronic Communications Systems
Wayne Tomasi
Electronic Communications Systems is 880 pages, about 16 hours 8 minutes at 250 words a minute.
7 books to read next
How long each takes
The ARRL Handbook for the Radio Amateur 21.2 h 
Tubes 5.6 h 
Principles of Electronic Communication Systems 17.3 h 
Communication Systems 13.5 h 
Electronic Communications 11.8 h 
Electronic Communication Systems 14.0 h 
Electronic Communications ” by Roy Blake , Delmar Thomson Learning 18.1 h Bar height shows length. Estimated at 250 words a minute.