| Issue | #66 |
| Published | Spring 1966 ? |
| Cover Price | 0.12 USD |
| Pages | 36 |
| Editing | ? |
| Characters | Lassie; Corey Stuart [as portrayed by Robert Gray] |
| Synopsis | Full-page color photo of Lassie and Corey holding binoculars. |
| Genre | adventure; animal; children |
| Pencils | ? (photo) |
| Inks | ? (photo) |
| Colors | ? (photo) |
| Notes | front cover |
| Synopsis | Full-page black and white promo for Lassie Forest Rangers. Spot illustrations depict a wallet, badge, handbook, and other items. |
| Script | ? (ad copy) |
| Pencils | ? (photos; spot illustrations) |
| Inks | ? (photos; spot illustrations) |
| Colors | ? (photos; spot illustrations) |
| Letters | typeset |
| Notes | inside front cover |
| Characters | Lassie; Corey Stuart; Barney Toll (crook); Blake (Toll's partner); Frank Vance (general store owner); Johnny Swift Fox (hermit); Government Officials; Raccoon; Bear |
| Synopsis | Corey researches a decades-old plane crash on Thunder Mountain and discovers the plane's cargo included two priceless gold figurines en route to a museum. Lassie, Corey, and Johnny Swift Fox find the figurines in a mountain cleft but are followed by crooks intent on stealing the items. Lassie disarms one thief and Johnny wrestles the other to the ground. Both are taken into custody and government officials praise Lassie. |
| Genre | adventure; animal; children |
| Pencils | Warren Tufts (signed) |
| Inks | Warren Tufts ? |
| Characters | Lassie; Corey Stuart; Hank (ranger); Mary Grant (lookout tower ranger); Mother Squirrel; Baby Squirrel; Mrs. Lynn (camper); Lost Kitten; Sheriff; Bert Miller (timber thief); Charles "Chopper" Clark (timber thief) |
| Synopsis | Corey receives a report from Mary Grant about two men prowling around a stand of hickory trees. Corey suspects timber thieves but discovers the two men are campers looking for firewood. Later that night, Lassie finds the two campers ready to signal the timber thieves to move in on the stand of hickory trees. Corey takes the men into custody. A subplot involves Mary overcoming her dislike of dogs. |
| Genre | adventure; animal; children |
| Pencils | Warren Tufts ? |
| Inks | Warren Tufts ? |
| Synopsis | Article with five black and white illustrations about the 17th century San Marcelo Mission treasure of the American Southwest. |
| Genre | fact |
| Letters | typeset |
| Notes | inside back cover |
| Characters | Lassie |
| Synopsis | Full-page black and white photo of Lassie in an outdoor setting. |
| Pencils | ? (photo) |
| Inks | ? (photo) |
| Colors | ? (photo) |
| Notes | back cover |