Books like The Actor Speaks
Patsy Rodenburg
The Actor Speaks is 394 pages, about 7 hours 13 minutes at 250 words a minute.
8 books to read next
How long each takes
Speak With Distinction 7.5 h 
Theater Games for the Lone Actor 3.5 h 
Voice and the Actor 2.7 h 
Speak to Influence 3.4 h 
The Use and Training of the Human Voice 5.5 h 
Finding Your Voice 5.0 h 
Teach Yourself Transatlantic 3.5 h 
Accents 6.8 h Bar height shows length. Estimated at 250 words a minute.