Start year: 1967
Issues in volume: 26
Like the other two Fleetway Super Libraries (Front Line and Fantastic/Stupendous series), the Secret Agent Series ran from January 1967 to January 1968, two issue per month with alternating stars, for a total of 13 adventures each and 26 issues in total. In this series case, the two alternating leads were ex-MI5 agent Johnny Nero and Lion's Barracuda.
Publisher: Fleetway
Issues in this volume: