| Issue | #17 |
| Published | July-August 1954 |
| Cover Price | 0.10 USD |
| Pages | 36 |
| Editing | ? |
| Notes | Indicia says "Published bi-monthly". |
| Characters | Lassie |
| Genre | Animal |
| Pencils | ? (painting) |
| Inks | ? (painting) |
| Colors | ? (painting) |
| Notes | Indicia says "Published bi-monthly". |
| Synopsis | Facts about the Harpy Eagle, the Howler Monkey, the Peccary, the Capybara, and the Hoactzin |
| Genre | Fact |
| Letters | Typeset |
| Notes | Inside front cover |
| Characters | Lassie; Gerry; Rocky; Cheena (jaguar); Roderico; Caya |
| Synopsis | Lassie helps a jaguar cub and makes friends with his wounded mother Cheena. Illegal trapper Roderico tries to capture both. |
| Genre | Animal; Jungle |
| Letters | Typeset |
| Characters | Lassie; Gerry; Rocky; Senhor Emile; Pedro Dimonte |
| Synopsis | On the way to New York Gerry and Rocky buy a new collar for Lassie which is to be engraved by senhor Emile, a jeweler. He has other plans. |
| Genre | Animal |
| Letters | Typeset |
| Characters | Lassie; Gerry; Rocky; Capitao Jorge; Timbu; Senhor Rovera |
| Synopsis | Lassie and Timbu round up a herd of cattle for senhor Rovera, but Timbu gets hurt by an alligator. |
| Genre | Animal; Jungle |
| Letters | Typeset |
| Notes | Story ends on back cover. Inside back cover in black and white. |