| Issue | #36 |
| Published | November-December 1957 |
| Cover Price | 0.10 USD |
| Pages | 36 |
| Editing | Julius Schwartz |
| Notes | Credits for pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics (added by Greg Fischer, October 2007). |
| Characters | Rex |
| Genre | Adventure |
| Pencils | Gil Kane |
| Inks | Bernard Sachs |
| Notes | Credits for pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics (added by Greg Fischer, October 2007). |
| Characters | Rex |
| Synopsis | While in central america, Rex becomes a bullfighter Rex quote: "Why? We have done nothing to anger the horned-one!" |
| Genre | Adventure |
| Script | Bob Haney |
| Pencils | Gil Kane |
| Inks | Bernard Sachs |
| Reprinted | In Big Boy (Artima, 1956 series) #23 August 1958 |
| Characters | Detective Chimp [Bobo] |
| Synopsis | Bobo uses a toy submarine to follow a pair of crooks. Bobo quote: "Got 'em both with one coconut!" |
| Genre | Adventure |
| Script | John Broome |
| Pencils | Carmine Infantino |
| Inks | Joe Giella |
| Characters | Rex |
| Synopsis | Rex is hired as a photographer to accompany reporter Henley in search of Amazons. Rex quote: "The scent of evil is comming from that plant!" |
| Genre | Adventure |
| Script | John Broome |
| Pencils | Gil Kane |
| Inks | Bernard Sachs |
| Reprinted | in Big Boy (Artima, 1956 series) #25 October 1958 |