Gros Michel no more, Carl Johnson is author of 'The Gentile Times Reconsidered.'
Don Cameron's 'Captives of a Concept' is also one of the must read books for JWs.
I have learned more about the Bible and Christianity from Ray Franz' 'In Search of Christian Freedom' than from all the Watchtower publication I studied for 25 years. You can also get it as PDF from 'Commentary Press.' (it was avaible until a few months ago. If not, check on it at freeminds.org)