| Issue | #19 |
| Published | November-December 1954 |
| Cover Price | 0.10 USD |
| Pages | 36 |
| Editing | ? |
| Notes | The scene in the cover has nothing to do with the stories of this issue. Indicia says "Published bi-monthly". |
| Characters | Lassie |
| Genre | Animal |
| Pencils | ? (painting) |
| Inks | ? (painting) |
| Colors | ? (painting) |
| Notes | The scene in the cover has nothing to do with the stories of this issue. Indicia says "Published bi-monthly". |
| Synopsis | Facts about the Condor, the Umbrella Bird, Cock-of-the-Rock, and the Trumpeter Bird |
| Genre | Fact |
| Letters | Typeset |
| Notes | Inside front cover |
| Characters | Lassie; Rocky; Gerry; Timbu; Senhor Rohas; Senhor Masao |
| Synopsis | Lassie and her friends go hunting for a cattle-killing black tigre. |
| Genre | Animal; Jungle |
| Pencils | Sam Citron |
| Characters | Lassie; Rocky; Gerry; Timbu; Senhor Vega (of the National Museum); Huanca |
| Synopsis | Lassie and her friends, on a photo mission to Cuzco, search for the lost city of Uma-Picchu |
| Genre | Animal |
| Characters | Lassie; Gerry; Rocky; Timbu; Felicia; Senhor Rafael; Don Sodero; Salaras; Robera |
| Synopsis | Lassie and her friends meet a group of settlers who have been driven off their homesteads by Don Sodero. Lassie and Timbu go downstream to intercept the mail canoe which supposedly carries a proof of their ownership. |
| Genre | Animal; Jungle |
| Notes | Story ends on back cover. Inside back cover in black and white. |