| 0 | Under the Big Top | cover | 1 | pencils: Art Peddy; inks: Bernard Sachs | Justice Society of America [Black Canary [Dinah Drake]; Green Lantern [Alan Scott]; The Atom [Al Pratt]; The Flash [Jay Garrick]; Wonder Woman [Diana Prince]] |
| 1 | New As Tomorrow! | promo (ad from the publisher) | 1 | | |
| 2 | Circus of a Thousand Thrills [Part I] | comic story | 10 | script: John Broome; pencils: Frank Giacoia; inks: Frank Giacoia | Justice Society of America [Hawkman [Carter Hall]; Green Lantern [Alan Scott]; Wonder Woman [Diana Prince]; The Flash [Jay Garrick]; The Atom [Al Pratt]; Dr. Mid-Nite [Dr. Charles McNider]; Black Canary [Dinah Drake]]; unnamed Policeman; unnamed Chief of Police; Mr. Alimand (villain, circus owner); |
| 4 | Message to Parents | public service announcement | 0.5 | letters: typeset | |
| 5 | Editorial Advisory Board | promo (ad from the publisher) | 0.5 | letters: typeset | |
| 6 | Circus of a Thousand Thrills! Part II | comic story | 8 | script: John Broome; pencils: Art Peddy; inks: Bernard Sachs | Justice Society of America [Hawkman [Carter Hall]; The Atom [Al Pratt]; The Flash [Jay Garrick]; Black Canary [Dinah Drake] (cameo)]; unnamed ocean-liner Captain; Mrs. Rockmillion; Felix the Great (villain); Frederick the Lion Tamer (villain); two circus clowns (villains); Tumbo (villain, an elephan |
| 7 | The Kind of Stories You Like Best! | promo (ad from the publisher) | 1 | | |
| 8 | - | comic story | 0.5 | script: Henry Boltinoff; pencils: Henry Boltinoff; inks: Henry Boltinoff; letters: Henry Boltinoff | Jerry the Jitterbug |
| 10 | The Circus of a Thousand Thrills! Part III | comic story | 8 | script: John Broome; pencils: Art Peddy; inks: Bernard Sachs | Justice Society of America [Wonder Woman [Diana Prince]; Dr. Mid-Nite [Dr. Charles McNider]; Green Lantern [Alan Scott]; Black Canary [Dinah Drake] (cameo)]; Edward Bronson (retired oil millionaire, mention only); Alvin Marcey (eccentric financier and amateur magician); Demon Dan (villain); Mr. Mech |
| 11 | - | cartoon | 0.5 | script: Martin Naydel; pencils: Martin Naydel; inks: Martin Naydel | |
| 13 | The Circus of a Thousand Thrills! 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 Atom [Al Pratt]; The Flash [Jay Garrick]; Black Canary [Dinah Drake]; Hawkman [Carter Hall]; Dr. Mid-Nite [Dr. Charles McNider]]; Mr. Alimond (villain); Goliath (villain); Demon Dan (villain); Felix the Great (v |
| 14 | Play President | activity | 0.67 | script: Martin Naydel; pencils: Martin Naydel; inks: Martin Naydel | |
| 16 | The Right of Way | text article | 2 | script: Julius Schwartz; pencils: Raymond Perry; inks: Raymond Perry; colors: Raymond Perry | |
| 17 | The Dark Horseman! | comic story | 6 | pencils: Carmine Infantino; inks: Frank Giacoia | Johnny Peril |
| 18 | Detect the Presence of Electricity With a Galvanoscope! | activity | 0.67 | pencils: Irwin Hasen; inks: Bernard Sachs | Hawkman [Carter Hall] |
| 20 | Job Counselor | public service announcement | 1 | script: Jack Schiff; pencils: Win Mortimer; inks: Win Mortimer; letters: Ira Schnapp; editing: Jack Schiff | Superboy [Clark Kent] |