It has 29 mentions of the term "Holy Spirit." I see no chapters on the Holy Spirit per se.Do not have that book. What about his book The Way of the Master?
However, Hell's Best Kept Secret has Ch. 6: "No Anointing, No Results." Could this be exactly what you need? Check it out and get back to us on this thread.
On p. 65 he says, "If I don't agonize in prayer, I agonize in preaching." He closes the chapter by saying, "Without the anointing, there are few lasting results" (p. 69).