| Issue | #57 |
| Published | November 1989 |
| Cover Price | 1.00 |
| Pages | 36 |
| Editing | Dan Chichester; Sara Tuchinsky (assistant) |
| Genre | barbarian; humor |
| Pencils | Sergio Aragones |
| Inks | Sergio Aragones |
| Colors | Tom Luth |
| Characters | Captain Ahax |
| Synopsis | Groo becomes captain of a ship as large as an island |
| Genre | barbarian; humor |
| Script | Sergio Aragones (co-plot); Mark Evanier (co-plot & dialogue) |
| Pencils | Sergio Aragones |
| Inks | Sergio Aragones |
| Colors | Janice Cohen; Deborah Marks |
| Letters | Stan Sakai |
| Notes | Division of writing credit from Mark Evanier via the GCD Errors list, September 2009. |