Books like Language Development
Robert E. Owens
Language Development is 542 pages, about 9 hours 56 minutes at 250 words a minute.
6 books to read next
How long each takes
Principles of Language Learning and Teaching 5.8 h 
Early Childhood Experiences in Language Arts 10.3 h 
TalkAbility 3.7 h 
Chomsky's Universal Grammar 5.2 h 
Music, Language, and the Brain 9.4 h 
The Development of Language 9.5 h Bar height shows length. Estimated at 250 words a minute.