| Issue | #12 |
| Published | October 1967 |
| Cover Price | $0.50 |
| Pages | 36 |
| Notes | Amateur fanzine. 500 copies printed. 3rd Xal-Kor cover. |
| Characters | Xal-Kor; Ann Rhoden (Queen Roda); The Invincible Vole |
| Genre | Super-hero |
| Script | Richard "Grass" Green |
| Pencils | Richard "Grass" Green |
| Inks | Richard "Grass" Green |
| Colors | Richard "Grass" Green |
| Letters | Richard "Grass" Green |
| Notes | Amateur fanzine. 500 copies printed. 3rd Xal-Kor cover. |
| Genre | Super-hero |
| Script | Richard "Grass" Green |
| Pencils | Richard "Grass" Green |
| Inks | Landon Chesney |
| Colors | B&W |
| Letters | Landon Chesney |
| Notes | XAL-KOR VS.: THE INVINCIBLE VOLE! / Part 1 of 4. 28 pages total. 6th appearance. Previous app. in STAR-STUDDED COMICS #10 (Texas Trio, February 1967). |
| Genre | Super-hero |
| Script | Richard "Grass" Green |
| Pencils | Richard "Grass" Green (layouts); Richard Buckler |
| Inks | Richard Buckler |
| Colors | B&W |
| Letters | Richard Buckler |
| Notes | XAL-KOR VS.: THE INVINCIBLE VOLE! / Part 2 of 4. |
| Genre | Super-hero |
| Script | Richard "Grass" Green |
| Pencils | Richard "Grass" Green |
| Inks | Richard "Grass" Green; Buddy Saunders (assists) |
| Colors | B&W |
| Letters | Richard "Grass" Green |
| Notes | XAL-KOR VS.: THE INVINCIBLE VOLE! / Part 3 of 4. |
| Genre | Super-hero |
| Script | Richard "Grass" Green |
| Pencils | Richard "Grass" Green |
| Inks | Richard "Grass" Green |
| Colors | B&W |
| Letters | Richard "Grass" Green |
| Notes | XAL-KOR VS.: THE INVINCIBLE VOLE! / Part 4 of 4. Next appearance in STAR-STUDDED COMICS #15 (Texas Trio, May 1969). |