| Issue | #103 |
| Published | April 1959 |
| Cover Price | 0.10 USD |
| Pages | 36 |
| Editing | Julius Schwartz |
| Notes | Cover pencils and inks credits from Julius Schwartz's editorial records, provided to the GCD by DC Comics (27 January 2008) |
| Genre | science fiction |
| Pencils | Gil Kane |
| Inks | Gil Kane |
| Notes | Cover pencils and inks credits from Julius Schwartz's editorial records, provided to the GCD by DC Comics (27 January 2008) |
| Synopsis | Keith Kelvin must prove he isn't a menace to the universe and is really using giant space harpoons to try to capture a giant Ultra-Hawk which entered our universe through a space warp. |
| Script | Otto Binder |
| Pencils | Mike Sekowsky |
| Inks | Frank Giacoia |
| Notes | Pencils and inks credits from Julius Schwartz's editorial records, provided to the GCD by DC Comics (27 January 2008) |
| Script | Jack Schiff |
| Pencils | Bernard Baily |
| Inks | Bernard Baily |
| Letters | Ira Schnapp |
| Synopsis | The first Earthman envoy to Mars is asked to bring 3 gifts. A rubber ball, a sweet-smelling rose, and a copy of the Mona Lisa. But, why? |
| Script | Gardner Fox |
| Pencils | Manny Stallman |
| Inks | John Giunta |
| Notes | Pencils and inks credits from Julius Schwartz's editorial records, provided to the GCD by DC Comics (27 January 2008) |
| Letters | typeset |
| Synopsis | To escape capture by his detective adversary Narr-Tem, criminal Chun Brun has fled from Uth to Earth. Narr-Tem tracks him down anyway, but must convince him that the "Earth" he fled to is not in another dimension, but is actually the far past of Uth, and any alteration he makes of the timeline could lead to destruction. |
| Script | John Broome |
| Pencils | Sid Greene |
| Inks | Sid Greene |
| Notes | Pencils and inks credits from Julius Schwartz's editorial records, provided to the GCD by DC Comics (27 January 2008) |