| Issue | #66 |
| Published | April 1971 |
| Frequency | bimonthly |
| Cover Price | 0.15 USD |
| Pages | 36 |
| Editing | Leon Harvey |
| Characters | Wendy |
| Characters | Wendy; Witch Sisters |
| Characters | Wendy; Witch Sisters; Gloops (introduction); Moo Goo (introduction); three Gloopian princes (introduction) |
| Notes | Part 1 of story. |
| Characters | Wendy; Dumbella |
| Characters | Wendy |
| Characters | Wendy; Witch Sisters; Gloopians; three Gloopian princes |
| Notes | Part 2 of story. |
| Characters | Casper; Haunted House Inspector (introduction); Slopp Brothers (introduction) |
| Characters | Wendy; Witch Sisters; Cousin Nasty (introduction) |
| Letters | typeset |
| Characters | Spooky; Gnorm Gnome |