| Issue | #56 |
| Published | December 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; the original indexer credited the inks to Joe Giella. (9 May 2008) |
| Characters | Adam Strange; Alanna |
| Genre | Adventure; Science Fiction |
| Pencils | Gil Kane |
| Inks | Bernard Sachs |
| Notes | Cover pencils and inks credits from Julius Schwartz's editorial records, provided to the GCD by DC Comics; the original indexer credited the inks to Joe Giella. (9 May 2008) |
| Reprinted | in Adam Strange Archives, The (DC, 2004 series) #1 (February 2004) |
| Characters | Adam Strange; Alanna; Nimar (first appearance; villain) |
| Genre | Adventure; Science Fiction |
| Script | Gardner Fox |
| Pencils | Carmine Infantino |
| Inks | Murphy Anderson |
| Notes | Pencils and inks credits from Julius Schwartz's editorial records, provided to the GCD by DC Comics (9 May 2008) |
| Reprinted | in Adam Strange Archives, The (DC, 2004 series) #1 (February 2004) |
| Genre | science fiction |
| Script | John Broome |
| Pencils | Gil Kane |
| Inks | Murphy Anderson |
| Notes | Credits for script, pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics (April 2007). |
| Reprinted | In From Beyond the Unknown (DC, 1969 series) #14 (December 1971-January 1972). |
| Genre | science fiction |
| Script | John Broome |
| Pencils | Mike Sekowsky |
| Inks | Bernard Sachs |
| Notes | Credits for script, pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics (April 2007). |
| Reprinted | In From Beyond the Unknown (DC, 1969 series) #17 (June-July 1972). |
| Genre | Fact |
| Notes | Information for this sequence from Arthur Lortie, September 2008. Location of this sequence within this issue is unknown. |