See series timeline (depends on key dates being set correctly)
| Key Date | Pub. Date | Volume | Number | Indicia Publisher | Brand | Pages | Price | Frequency |
|---|---|---|---|---|---|---|---|---|
| 1971-11-00 | October-November 1971 | 1 | National Periodical Publications, Inc. | DC | 52 | 0.25 USD | bi-monthly | |
| 1971-12-00 | December 1971 - January 1972 | 1 | 2 | National Periodical Publications, Inc. | DC | 52 | 0.25 USD | bi-monthly |
| 1972-02-00 | February-March 1972 | 2 | 3 | National Periodical Publications, Inc. | DC | 52 | 0.25 USD | bi-monthly |
| 1972-04-00 | April-May 1972 | 2 | 4 | National Periodical Publications, Inc. | DC | 52 | 0.25 USD | bi-monthly |