Things seemed to be chugging along nicely until the sudden - and apparently last-minute - announcement that, from issue 30, the frequency was suddenly halved... to fortnightly. And we're still waiting for the 31st issue.
Although he never had a chance to say goodbye, there was a merger of sorts when a reprint of one of Castle's early seventies adventures suddenly appeared in STRIP MAGAZINE, accompanied by a sew-on badge (similar to the ones that adorned the first issues of STAR TREK: THE NEXT GENERATION (here) and THE COMPLETE SPIDER-MAN (here).
Cover by John McCrea
Cover by Mark Farmer
Cover by Stewart Johnson
Cover by Larson, Williams and Place.
First fortnightly issue and - err - last issue.