This title isn’t as known as some, but it should be. This is an abridgment of his The Work of the Ministry, but likely all we need is here. He was a popular author who had a profitable ministry.
He has six good chapters on we men in the ministry by reviewing the ministry of the prophets, the Twelve, Paul, and as described by certain epistles. It is well done.
In the second half of the book he writes about the work itself. It is very detailed on certain aspects of the ministry like worship, preaching, visiting, Sunday School, and even prayer meetings.