Five Best: Secret agents featured in series

Jeffrey T. Richelson, author of A Century of Spies and Defusing Armageddon: Inside NEST, America's Secret Nuclear Bomb Squad, named a five best list of books for the Wall Street Journal. His subject: secret agents featured in series.Number One on the list:Murderers' Rowby Donald HamiltonFawcett, 1962In the 27 paperbacks by Donald Hamilton featuring Matt Helm -- published between 1960 and 1993 --