Books like Language Acquisition Made Practical
Tom Brewster
Language Acquisition Made Practical is 382 pages, about 7 hours at 250 words a minute.
6 books to read next
How long each takes
Egyptian Hieroglyphs for Complete Beginners 2.9 h 
Fluent in 3 Months 4.7 h 
English for Everyone 5.3 h 
The Natural Approach 3.6 h 
Gramática Estructural de la Lengua Española 9.6 h 
English for Everyone 3.4 h Bar height shows length. Estimated at 250 words a minute.