James Hepburn, Farewell America: the Plot to Kill Jfk

I'm curious if anyone's read this old JFK assassination book:
http://tinyurl.com/52oytv
http://tinyurl.com/52oytv
Originally published in Europe in 1968, this is a once-notorious, now-dated look at John Kennedy's assassination and an excoriation of the American scene in its aftermath. Turner (Rearview Mirror, etc. ) explains in his introduction that the book was first published under mysterious circumstances and was "aimed at advancing the 1968 presidential campaign of Robert F. Kennedy, " but its U.S. distribution was rapidly curtailed after RFK's death. The authors ("James Hepburn" is a pseudonym) conducted clandestine research among KGB and Interpol agents and French petroleum espionage specialists...