A little expensive at $54 on Amazon. :-)
A better book that is getting a lot of acclaim is the 2010 book, “JFK and the Unspeakable.” It goes into things that JFK had done during his time in office and who would benefit most from his death.
In it he theorizes that Henry Kissinger whispered to David Rockefeller that JFK must die. Kissinger’s role has long been looked at as that of Rockefeller’s Machiavelli.