| 0 | Invaders from the World Below! | cover | 1 | pencils: Arthur F. Peddy; inks: Bernard Sachs; colors: Jack Adler | Justice Society of America [Green Lantern [Alan Scott]; Hawkman [Carter Hall]]; the Diamond People [Exnam; Obnir; Aknon] |
| 1 | National Comics Takes "Top Place As the Choice of Parents and Children." | promo (ad from the publisher) | 1 | letters: typeset | |
| 2 | Invaders from the World Below! [Part I] | comic story | 10 | script: John Broome; pencils: Arthur F. Peddy; inks: Bernard Sachs | Justice Society of America [Green Lantern [Alan Scott]; Hawkman [Carter Hall]; Wonder Woman [Diana Prince]; The Atom [Al Pratt]; The Flash [Jay Garrick]; Black Canary [Dinah Drake]; Dr. Mid-Nite [Dr. Charles McNider]]; Dr. Craig (mention only); Charles Crillon [aka The Crackpot of Science]; the Diam |
| 4 | Miss Melody Lane of Broadway | promo (ad from the publisher) | 1 | | |
| 5 | Invaders from the World Below! Part II | comic story | 10 | script: John Broome; pencils: Arthur F. Peddy; inks: Bernard Sachs | Justice Society of America [Wonder Woman [Diana Prince]; Black Canary [Dinah Drake]; The Flash [Jay Garrick]; Green Lantern [Alan Scott]; The Atom [Al Pratt]]; the Diamond People [Exnam; Obnir; Aknon] |
| 7 | - | cartoon | 0.5 | script: Martin Naydel; pencils: Martin Naydel; inks: Martin Naydel | |
| 8 | To All Junior Justice Society of America Members | promo (ad from the publisher) | 0.5 | | |
| 9 | Invaders from the World Below! Part III | comic story | 12 | script: John Broome; pencils: Arthur F. Peddy; inks: Bernard Sachs | Justice Society of America [Hawkman [Carter Hall]; Dr. Mid-Nite [Dr. Charles McNider]; Black Canary; Green Lantern [Alan Scott]; The Flash [Jay Garrick]; Wonder Woman [Diana Prince]; The Atom [Al Pratt]]; Ed (government crew worker); Charles Crillon; unnamed 8th Army Command General; The Diamond Peo |
| 10 | Feature Films | promo (ad from the publisher) | 1 | | |
| 11 | The Principle of the Helicopter; An Optical Illusion | activity | 0.67 | pencils: Arthur F. Peddy; inks: Bernard Sachs | Dr. Mid-Nite, Charles McNider |
| 12 | - | statement of ownership | 0.33 | letters: typeset | |
| 13 | Feathered Pilots | text article | 2 | script: William I. Irwin | |
| 14 | - | activity | 0.67 | script: Martin Naydel; pencils: Martin Naydel; inks: Martin Naydel | Little Arthur |
| 16 | The Ice Queen | comic story | 5 | pencils: Howard Purcell | Johnny Peril |
| 17 | Batman and Robin Stand Up for Sportsmanship! | public service announcement | 1 | script: Jack Schiff; pencils: Win Mortimer; inks: Stan Kaye; letters: Ira Schnapp | Batman, Dick Grayson, Robin, Bruce Wayne |