I wrote this book back in 1995. It’s still in print and available in a few bookstores, such as http://web.ovc.edu/bookstore/holysp.shtml. In fact, you can buy the book for less than the cost to print it. (The price of getting old is finding yourself in the bargain bin!)
The entire book can be downloaded for free as a .pdf here. The Holy Spirit and Revolutionary Grace
Two of our schools of preaching revised their instruction on the Holy Spirit based on this book. A number of congregations have found the book helpful in explaining the breadth of God’s grace. It’s designed to be suitable for teaching in a Sunday School setting.
