| Issue | #25 |
| Published | November-December 1955 |
| Cover Price | 0.10 USD |
| Pages | 36 |
| Editing | ? |
| Notes | Indicia says "Published bi-monthly". Cover credits from the GCD mailing list. |
| Characters | Lassie |
| Genre | Animal |
| Pencils | Mo Gollub (painting) |
| Inks | Mo Gollub (painting) |
| Colors | Mo Gollub (painting) |
| Notes | Indicia says "Published bi-monthly". Cover credits from the GCD mailing list. |
| Synopsis | Facts about Lima, capital of Peru. |
| Genre | Fact |
| Letters | Typeset |
| Notes | Inside front cover. |
| Characters | Lassie; Cheena (jaguar); Rocky; Gerry; Mark Gorin |
| Synopsis | Mark Gorin, a trophy hunter, visits the homestead with plans to shoot a jaguar. Having his eyes set on Cheena and her cub, he doesn't count on Lassie being a friend of the jaguar. |
| Genre | Animal; Jungle |
| Pencils | Ralph Mayo |
| Inks | Ralph Mayo |
| Letters | Typeset |
| Notes | Art credits for this issue from David A. Roach via Steve Whitaker. |
| Characters | Lassie; Rocky; Timbu; Senhor Terin (engineer); Dino; unnamed Chief of the Jurus; Gerry |
| Synopsis | Senhor Terin is in charge of building a telephone line through the jungle. The Jurus think it is evil magic and start tearing it down, but a falling pole hits Dino. |
| Genre | Animal; Jungle |
| Pencils | Ralph Mayo |
| Inks | Ralph Mayo |
| Letters | Typeset |
| Genre | Animal |
| Letters | Typeset |
| Characters | Lassie; Gerry; Rocky; Juan Lepardo |
| Synopsis | Gerry and Rocky are off on another photo expedition into the jungle, but they find it hard to find a guide. Juan Lepardo offers his services because he thinks they have a map to an emerald mine. |
| Genre | Animal |
| Pencils | Ralph Mayo |
| Inks | Ralph Mayo |
| Letters | Typeset |
| Characters | Cheena (jaguar); Urgo (jagare) |
| Synopsis | Cheena protects her cubs from her old enemy Urgo. |
| Genre | Animal; Jungle |
| Pencils | Ralph Mayo |
| Inks | Ralph Mayo |
| Letters | Typeset |
| Synopsis | Facts about Bolivia |
| Letters | Typeset |
| Notes | Inside back cover. |
| Letters | Typeset |
| Synopsis | Facts about the Boxer. |
| Genre | Animal |
| Letters | Typeset |
| Notes | Back cover |