| Issue | #29 |
| Published | December-January 1956 |
| Cover Price | 0.10 USD |
| Pages | 36 |
| Editing | Julius Schwartz |
| Notes | Cover inks credit confirmed from Julius Schwartz's editorial records, provided by DC Comics (18 August 2007) |
| Genre | science fiction |
| Pencils | Gil Kane |
| Inks | Joe Giella |
| Notes | Cover inks credit confirmed from Julius Schwartz's editorial records, provided by DC Comics (18 August 2007) |
| Script | John Broome |
| Pencils | Carmine Infantino |
| Inks | Carmine Infantino |
| Notes | Pencils and inks credits confirmed from Julius Schwartz's editorial records, provided by DC Comics (18 August 2007) |
| Reprinted | in Justice League of America (DC, 1960 series) #92 (September 1971) |
| Script | John Broome |
| Pencils | Sid Greene |
| Inks | Joe Giella |
| Notes | Pencils and inks credits confirmed from Julius Schwartz's editorial records, provided by DC Comics (18 August 2007) |
| Script | Otto Binder |
| Pencils | Gil Kane |
| Inks | Bernard Sachs |
| Notes | Pencils and inks credits confirmed from Julius Schwartz's editorial records, provided by DC Comics (18 August 2007) |
| Script | Bill Finger |
| Pencils | Carmine Infantino |
| Inks | Carmine Infantino |
| Notes | the two main characters, Emmett Hamilton and Ray Bradford, are thinly disguised tributes to science-fiction writers (and Julius Schwartz clients) Edmond Hamilton and Ray Bradbury. Pencils and inks credits confirmed from Julius Schwartz's editorial records, provided by DC Comics (18 August 2007) |
| Genre | Fact |
| Notes | Information for this sequence from Arthur Lortie, September 2008. Location of this sequence within this issue is unknown. |
| Reprinted | in My Greatest Adventure (DC, 1955 series) #39 |