I have received a few emails and comments asking for resources and books on this subject of Jehovah's Witnesses.
As to resources I can recommend a few good books, which I have added links to Amazon.com where you can purchase them. I have sectioned them off into topics.
Overall Guide on how to respond to Jehovah's Witnesses
Reasoning from the Scriptures with Jehovah's Witnesses by Ron Rhodes.
On how to share our faith
Tactics by Greg Koukl
Deity of Christ and the Trinity
The Forgotten Trinity by James White
Putting Jesus in his Place, the Case for the Deity of Christ by Robert Bowman
Sense and Nonsense about Heaven and Hell by Robert Bowman
On the Gospel and the New Birth
The God who Justifies by James White
Counted Righteous in Christ: Should We Abandon the Imputation of Christ's Righteousness? by John Piper
Finally Alive by John Piper
Why we love the Church: In Praise of Institutions and Organized Religion by Kevin DeYoung
By former leader Ray Franz
Crisis of Conscience by Raymond Franz
In Search of Christian Freedom by Raymond Franz
Apocalypse Delayed: The Story of Jehovah's Witnesses by James Penton
I pray that some or all of these resources would be a benefit to you. If I had to choose only one book, it would be the first one "Reasoning from the Scriptures with Jehovah's Witnesses".
Grace and peace to you,