| 0 | The Gun That Dropped Through Time! | cover | 1 | pencils: Art Peddy; inks: Bernard Sachs; colors: Jack Adler | Justice Society of America [Green Lantern [Alan Scott]; Hawkman [Carter Hall]] |
| 1 | - | promo (ad from the publisher) | 1 | letters: typeset | |
| 2 | The Gun That Dropped Through Time! [Part I] | comic story | 10 | script: John Broome; pencils: Art Peddy; inks: Bernard Sachs | Justice Society of America [The Atom [Al Pratt]; Wonder Woman [Diana Prince]; Green Lantern [Alan Scott]; The Flash [Jay Garrick]; Black Canary [Dinah Drake]; Hawkman [Carter Hall]; Dr. Mid-Nite [Dr. Charles McNider]]; Ted Weldon (reporter for the Civic City Press); Dr. Alvin Swanley [aka Stanley] ( |
| 5 | The Gun That Dropped Through Time! [Part II] | comic story | 8 | script: John Broome; pencils: Art Peddy; inks: Bernard Sachs | Justice Society of America [The Flash [Jay Garrick]; Black Canary [Dinah Drake]; Wonder Woman [Diana Prince]; Dr. Mid-Nite [Dr. Charles McNider]]; Tamurlane, The Khan (villain, Asian leader and Conqueror); Ackman (villain, the Khan's servant); Attila the Hun (villain); the Huns (villains) |
| 8 | The Gun That Dropped Through Time! Part III | comic story | 8 | script: John Broome; pencils: Art Peddy; inks: Bernard Sachs | Justice Society of America [The Atom [Al Pratt]; Hawkman [Carter Hall]; Green Lantern [Alan Scott]]; Hadrin (a gladiator); Spartacus (a gladiator); Julius Caesar (villain, Roman ruler); Queen Atlanta of Atlantis (villain, death) |
| 11 | The Gun That Dropped Through Time! Part IV | comic story | 4 | script: John Broome; pencils: Art Peddy; inks: Bernard Sachs | Justice Society of America [Hawkman [Carter Hall]; Green Lantern [Alan Scott]; The Atom [Al Pratt]; Hawkman [Carter Hall]; Dr. Mid-Nite [Dr. Charles McNider]; Black Canary [Dinah Drake]; Wonder Woman [Diana Prince]; The Flash [Jay Garrick]]; unnamed Governor; unnamed prison Warden; Ted Weldon (cameo |
| 13 | - | activity | 0.67 | script: Martin Naydel; pencils: Martin Naydel; inks: Martin Naydel | Pencils |
| 15 | Little Known Facts About Little Known Islands | text article | 2 | script: Julius Schwartz | |
| 17 | - | cartoon | 0.5 | script: Martin Naydel; pencils: Martin Naydel; inks: Martin Naydel | |
| 19 | The Race of Wheel and Keel | comic story | 3 | script: Gardner F. Fox; pencils: Gil Kane; inks: Harry Lazarus | |
| 20 | "X-Ray" Photos! | activity | 0.67 | pencils: Art Peddy; inks: Bernard Sachs | The Flash, Jay Garrick |
| 24 | A Salute to the Boy Scouts of America | public service announcement | 1 | script: Jack Schiff; pencils: Win Mortimer; inks: Win Mortimer; letters: Ira Schnapp | Batman, Dick Grayson, Clark Kent, Robin, Superman, Bruce Wayne |