| Issue | #66 |
| Published | June 1990 |
| Cover Price | 1.00 |
| Pages | 36 |
| Editing | Margaret Clark; Marie Javins (assistant) |
| Genre | barbarian; humor |
| Pencils | Sergio Aragones |
| Inks | Sergio Aragones |
| Colors | Tom Luth |
| Characters | Pal & Drumm; Sage; Granny Groo; Taranto |
| Synopsis | Everyone wants to become a guru and strike it rich, and so does Groo |
| Genre | barbarian; humor |
| 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. |