Books like Finding Your Voice
Barbara Houseman
Finding Your Voice is 270 pages, about 4 hours 57 minutes at 250 words a minute.
6 books to read next
How long each takes
True and False 2.3 h 
Speak With Distinction 7.5 h 
The Mastery of Movement 3.5 h 
Voice and the Actor 2.7 h 
The Use and Training of the Human Voice 5.5 h 
The Actor Speaks 7.2 h Bar height shows length. Estimated at 250 words a minute.