| 0 | The Mystery of the Vanishing Detectives! | cover | 1 | pencils: Art Peddy; inks: Bernard Sachs; colors: Jack Adler; letters: Ira Schnapp | Justice Society of America [Atom [Al Pratt]; Green Lantern [Alan Scott]; Wonder Woman [Diana Prince]]; The Great Gordoni |
| 1 | New -- And Great! Big Town | promo (ad from the publisher) | 1 | | |
| 2 | The Mystery of the Vanishing Detectives! [Part I] | comic story | 8 | script: John Broome; pencils: Frank Giacoia, Art Peddy; inks: Frank Giacoia, Bernard Sachs | Justice Society of America [Green Lantern [Alan Scott]; Hawkman [Carter Hall]; Wonder Woman [Diana Prince]; The Flash [Jay Garrick]; Black Canary [Dinah Drake]; The Atom [Al Pratt]; Dr. Mid-Nite [Dr. Charles McNider]]; Harry Wan (Honolulu Police Chief); Mustapha Hakim (Turkish detective); Jacques Du |
| 5 | The Mystery of the Vanishing Detectives! Part II | comic story | 10 | script: John Broome; pencils: Art Peddy; inks: Bernard Sachs | Justice Society of America [Green Lantern [Alan Scott] (cameo); The Flash [Jay Garrick]; Wonder Woman [Diana Prince] (cameo); Dr. Mid-Nite [Dr. Charles McNider]]; Chief Inspector MacReady; unnamed bank watchman; unnamed Frenmch Surete Commissaire; Bert (villain); Harry (villain); Pierre (villain) |
| 7 | How to Build a Periscope | activity | 0.67 | pencils: Art Peddy; inks: Bernard Sachs | Dr. Mid-Nite [Dr. Charles McNider] |
| 9 | The Mystery of the Vanishing Detectives! Part III | comic story | 8 | script: John Broome; pencils: Frank Giacoia; inks: Frank Giacoia | Justice Society of America [Wonder Woman [Diana Prince]; Green Lantern [Alan Scott]]; The Emir of Kashdan; Colonel Masir (Istanbul Police official); F. Fred Wallis; unnamed Captain of the Laronia; Honolulu Police Captain Tom Lim; fake Emir (villain); The Great Gordoni (villain) |
| 10 | Daniel Majeske, Sylvia Dee | cartoon | 0.67 | script: Stookie Allen; pencils: Stookie Allen; inks: Stookie Allen; letters: Stookie Allen | Daniel Majeskee; Sylvia Dee; Wayne Shepard; Dick Hayes |
| 13 | Editorial Advisory Board | promo (ad from the publisher) | 0.5 | letters: typeset | |
| 14 | The Mystery of the Vanishing Detectives! Part IV | comic story | 6 | script: John Broome; pencils: Art Peddy; inks: Bernard Sachs | Justice Society of America [Green Lantern [Alan Scott]; Wonder Woman [Diana Prince]; The Flash [Jay Garrick]; Black Canary [Dinah Drake]; The Atom [Al Pratt]; Hawkman [Carter Hall]; Dr. Mid-Nite [Dr. Charles McNider]]; Harry Wan; Drew Dawes; Jacques Durand; Mustapha Hakim; The Turtleneck Gang (villa |
| 15 | The Divided Old Glory | cartoon | 0.5 | script: Martin Naydel; pencils: Martin Naydel; inks: Martin Naydel; letters: Martin Naydel | |
| 17 | - | promo (ad from the publisher) | 0.67 | | |
| 18 | - | statement of ownership | 0.33 | letters: typeset | |
| 19 | The Last Dictator | text story | 2 | letters: typeset | |
| 20 | The Lady of Mars | comic story | 6 | pencils: Joe Kubert; inks: Joe Kubert | Johnny Peril |