| Issue | #18 |
| Published | January-February 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 (20 January 2008); original indexer credited the inks to Bernard Sachs. |
| Characters | Adam Strange; Alanna |
| Genre | Adventure; Science Fiction |
| Pencils | Gil Kane |
| Inks | Joe Giella |
| Notes | Cover pencils and inks credits from Julius Schwartz's editorial records, provided to the GCD by DC Comics (20 January 2008); original indexer credited the inks to Bernard Sachs. |
| Reprinted | in Essential Showcase 1956-1959, The (DC, 1992 series) #nn; in Adam Strange Archives, The (DC, 2004 series) #1 (February 2004); in Showcase Presents: Adam Strange (DC, 2007 series) #1 |
| Characters | Adam Strange; Rann; Alanna; Vrenn chieftan; The Vrenn |
| Genre | Adventure; Science Fiction |
| Script | Gardner Fox |
| Pencils | Mike Sekowsky |
| Inks | Bernard Sachs |
| Notes | Pencils and inks credits from Julius Schwartz's editorial records, provided to the GCD by DC Comics (20 January 2008) |
| Reprinted | in Adam Strange Archives, The (DC, 2004 series) #1 (February 2004); in Showcase Presents: Adam Strange (DC, 2007 series) #1 |
| Characters | Adam Strange; Alanna; Tak Vall (first appearance; villain); Moora (first appearance; villain) |
| Genre | Adventure; Science Fiction |
| Script | Gardner Fox |
| Pencils | Mike Sekowsky |
| Inks | Joe Giella |
| Notes | Pencils and inks credits from Julius Schwartz's editorial records, provided to the GCD by DC Comics (20 January 2008) |
| Reprinted | in Adam Strange Archives, The (DC, 2004 series) #1 (February 2004); in Showcase Presents: Adam Strange (DC, 2007 series) #1 |