I don't know, the 1 star reviews like this one: http://www.amazon.com/review/R2TK8WK4POCIF3/ref=cm_cr_rdp_pe... make me view it with suspicion.

While it's not of the same scope, I can recommend R. V. Jones' Most Secret War without reservation: http://www.amazon.com/Most-Secret-Wordsworth-Military-Librar...