Despite its up and downs, overall this is a worthwhile and unique book. Its most important aspect, of course, is the proof of Robert Kennedy's secret quest for the truth about Dallas. That is an important contribution with which to rebut the opposition's argument of: "Well, why didn't Bobby do anything?" We can finally dispose of that question in a truthful and forceful way, writes Jim DiEugenio.

Estevez had a huge and magnificent historical subject. For all the liberties he has taken, and for reasons stated above, he didn't do it justice, concludes Philip Sheridan.