Gary Hal Graff, Can a Christian Have an Unclean Spirit?
(El Cajon, CA: Christian Service Network, 1999). Writing a book on demonology is a risky business, because you will always find enough “enemies” as well as “friends.” To one of the most sensitive, thus often avoided, theological question, the author’s answer is an affirmative “yes,” that believers can have an unclean spirit. Now this is good enough to turn many people off. However, not so fast. Even if many (including myself) have a fundamental disagreement to the author’s belief/thesis, this book contains an exhaustive amount of valuable information, especially two long lists of potential objections: logical (24 items, ch. 5) and biblical (56 items, ch. 6). He responded to each one of them. For me, even these lists alone provide valuable information as they are gathered in one place for the first time, and would make a copy of this book worthy. Also uniquely valuable is the History of Exorcism (ch. 10), again perhaps the very first in this magnitude. This book is also quite different
