Here are three books I highly recommend:
1. Probably my all time favorite book, "The Fear of the Lord"
http://www.amazon.com/Fear-Lord-John...6115677&sr=1-1
2. "Sufficient Grace" -
http://www.amazon.com/Sufficient-Gra...6115767&sr=1-1
3. This is hard to get in fact I don't know if you can get it new, but it is very much worth reading, "The Walk of the Spirit - the Walk of Power" -
http://www.amazon.com/Spirit-Power-V...6115828&sr=1-2