Alfred Adler books in order
9 books in the catalogue, about 59 hours of reading in all; the shortest takes 5 hours and the longest 9 hours.
9 standalone books in the catalogue.
Standalone books
The Practice and Theory of Individual Psychology 6.5 h 
Understanding Human Nature 4.7 h 
The Science of Living 4.8 h 
The Education of Children 5.7 h 
What Life Should Mean to You 5.5 h 
Social Interest 5.7 h 
The Individual Psychology of Alfred Adler 9.2 h 
Superiority and Social Interest 8.0 h 
Co-operation Between the Sexes 8.6 h