The original book describing the spiritual growth process of discipling someone. This includes some of the first diagrams and descriptions of taking a person from seeker to disciplemaker.
The Lost Art of Disciple Making written by LeRoy Eims published July 1978.
Available from:
Amazon, ebook, audiobook, paperback
Christianbook.com, ebook, paperback
You can listen to LeRoy’s testimony and World War II experience here.