Captive of a Concept is written by Don Cameron. I believe he visits here sometimes. Just type in his name and you will find a few different sources. Randy's site Freeminds has a slew of great resources. Also Macgregor Ministries, many, many others too!
Here are a few books I have-
Crisis of Conscience by Ray Franz and by him, 'In Search of Christian Freedom'
The Gentile Times Reconsidered by Carl Olof Jonsson (I find that book somewhat difficult because I didn't first understand the jw spin on all of that)
The Sign of the Last Days-When? by Carl Olof Jonsson & Wolfgang Herbst (I wish all jw's could read this one)
Jehovah's Witnesses and the Third Reich by M. James Penton
Awake to the Watchtower by Doug Harris
Approaching Jehovah's Witnesses in Love by Wilbur Lingle
When Trying Harder Isn't Enough Breaking the Bondage of Legalism by Neil Anderson, Rich Miller, & Paul Travis
The Sublte Power of Spiritual Abuse by David Johnson & Jeff VanVonderen
Out of the Cults and Into the Church by Janis Hutchinson (I think all churches should have a copy of this as many ministers do not seem to really understand cults and the
difficulties in leaving)
Jehovah's Witnesses answered Verse by Verse by David Reed
Reasoning from the Scripture with the Jehovah's Witnesses by Ron Rhodes
Jehovah's Witnesses and the Problem of Mental Illness by Jerry Bergman
From Kingdom Hall to Kingdom Come by Duane Magnini and Arthur Barret (from Witness Inc, many other resources there as well)
When Cultist Ask by Norman Geisler and Ron Rhodes
Yes, You Should Believe in the Trinity!!! by Christina Harvey
Walter Martins book on Cults as well, has most the other cults in there too. Randy Watters has a number of good books, look on his web site. He also has some videos.
I have more but don't feel like typing them all. And yes, my choices have a Christian slant. The ones that are not specifically jw.
Happy reading, wish your subject matter could be something else, carla