http://www.amazon.com/Blood-Money-Power-How-Killed/dp/161608197X
This might be the one I was referring to...
http://www.amazon.com/JFK-Files-Untold-Kennedy-Secret/dp/1920888144/ref=sr_1_1?s=books&ie=UTF8&qid=1383704784&sr=1-1&keywords=cuba+%2B+jfk