| Issue | #53 |
| Published | April-June 1961 |
| Frequency | quarterly |
| Cover Price | 0.15 USD |
| Pages | 36 |
| Editing | George T. Delacorte, Jr. (Publisher); Helen Meyer (President); William F. Callahan, Jr. (Executive Vice President); Paul R. Lilly (Executive Vice President); Harold Clark (Vice President-Advertising Director); Bryce L. Holland (Vice President); Albert P. Delacorte (Treasurer) |
| Notes | first 15-cent issue |
| Characters | Lassie; Timmy [as portrayed by Jon Provost] |
| Genre | adventure; animal; children |
| Pencils | ? (color photo) |
| Inks | ? (color photo) |
| Colors | ? (color photo) |
| Notes | front cover |
| Characters | Lassie; Timmy; Ruth Martin; Paul Martin; Jody (Timmy's friend); Sparky (Timmy's friend); John (tourist); John's Wife (tourist); Museum Curator |
| Synopsis | Timmy and Lassie become trapped in a tunnel beneath a museum. |
| Genre | adventure; animal; children |
| Script | Bob Fujitani ? |
| Characters | Lassie; Timmy; Ruth Martin; Paul Martin; Jenny Horton; Mr. Horton; Police Sergeant; Doctor Cummings |
| Synopsis | The Martins suffer carbon monoxide poisoning. |
| Genre | adventure; animal; children |
| Characters | Bonanza; Pancho Colon (prospector); Sean Murphy (prospector) |
| Synopsis | Bonanza discovers oil instead of gold. |
| Genre | adventure; animal; children |
| Letters | typeset |
| Characters | Blaze; Rocket; Ted Baily; Harry King (Ted's college roommate); Mark Denby (polo player) |
| Synopsis | Blaze is attacked by another horse on the polo grounds. |
| Genre | adventure; animal; children |
| Letters | typeset |
| Characters | Lassie; Timmy; Ruth Martin; Paul Martin; Mac Gomper; Doctor; Billy (goat); Wild Hog |
| Synopsis | Paul saves a neighbor from electrocution. |
| Genre | adventure; animal; children |