Volume Four of Archie Goodwin and Al Williamson's definitive run on Secret Agent X9 continues its break neck pace as agent Phil Corrigan dives head first into ever more thrilling and outrageous adventures! Beginning on November 4th, 1974 and reproducing every gorgeously drawn strip until June 11th, 1977.
— Description from Comic Vine community (comicvine.gamespot.com).
