Cover inker credit from Tony Isabella. Original indexer credited inks to Dick Ayers. Ruxton's face taken from page 4, panel 5 of story.
Date of filing: October 1, 1964. Average print run during preceding 12 months: 310,000; single issue nearest to filing date: 332,000. Average distribution during preceding 12 months: 184,530; single issue nearest to filing date: 196,230.
Letters from Ray Isabella, Gordon Johnson, G. Curtis, and Maurry Obstfeld; includes The Mighty Marvel Checklist.