Welcome to the board.
Yes, there is a lot of information available now, especially online about Jehovah's Witnesses.
But being a JW or dealing with someone who is becoming a JW's combatting mind control.
Here is my list of recommended reading.
Crisis of Conscience Ray Franz
In Search of Christian Freedom Ray Franz
Gentile Times Revisited Carl Olof Jonnson
Living in the Last Days? Carl Olof Jonnson
Apocalypse Delayed James Penton
A Road Less Traveled M. Scott Peck, M.D.
Further Along A Road Less Traveled M. Scott Peck, M.D.
People of the Lie M. Scott Peck. M. D.
Combating Mind Control Steve Hassen
True Believer Eric Hoffer
The Myth of Certainty Daniel Taylor
The History of God Karen Armstrong
Let us know how things go. I hope you can reach your wife.
Joy