Norman Vincent Peale books in order
17 books in the catalogue, about 78 hours of reading in all; the shortest takes 2 hours and the longest 9 hours.
16 standalone books in the catalogue.
Standalone books
Faith Is the Answer 4.8 h
The Power of Positive Thinking 5.1 h
The Amazing Results of Positive Thinking 5.1 h
The Positive Power of Jesus Christ 4.9 h Collected editions
Volumes that gather several of the books above.