| Issue | #41 |
| Published | July 1988 |
| Cover Price | 1.00 |
| Pages | 36 |
| Editing | Archie Goodwin; Dan Chichester (associate); Steve Buccellato (assistant) |
| Pencils | Sergio Aragones |
| Inks | Sergio Aragones |
| Colors | Tom Luth |
| Characters | Granny Groo |
| Synopsis | Groo reunites with his Grandmother, who enlists him in her schemes |
| Script | Sergio Aragones (co-plot); Mark Evanier (co-plot & dialogue) |
| Pencils | Sergio Aragones |
| Inks | Sergio Aragones |
| Colors | Tom Luth |
| Letters | Stan Sakai |
| Notes | Division of writing credit from Mark Evanier via the GCD Errors list, September 2009. |