| Issue | #45 |
| Published | April-June 1959 |
| Frequency | quarterly |
| Cover Price | 0.10 USD |
| Pages | 36 |
| Editing | George T. Delacorte, Jr. (Publisher); Helen Meyer (President); Paul R. Lilly (Executive Vice President); Harold Clark (Vice President-Advertising Director); Albert P. Delacorte (Treasurer) |
| 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; Uncle Petrie; Mr. Wade (barber); Curly (escaped convict); Snitch (escaped convict); Police Chief; Policemen; Barn Owls |
| Synopsis | Lassie captures two escaped convicts hiding in an old barn. |
| Genre | adventure; animal; children |
| Letters | typeset |
| Characters | Davy Simms; Davy's Father; Davy's Mother; New Dog |
| Synopsis | Davy can't forget Rex and won't accept a new dog. |
| Genre | adventure; animal; children |
| Pencils | ? (header illustration) |
| Inks | ? (header illustration) |
| Colors | ? (header illustration) |
| Letters | typeset |
| Characters | Blaze; Renard (fox); Renard's vixen and four kits; Foxhunters |
| Synopsis | Renard leads hunters away from his family. |
| Genre | adventure; animal; children |
| Letters | typeset |
| Characters | Lassie; Timmy; Uncle Petrie; Ted Johnson; Spot; Raccoon |
| Synopsis | Lassie and Spot tangle with a thieving raccoon. |
| Genre | adventure; animal; children |
| Letters | typeset |
| Synopsis | Illustrated article about blue jays, swallows, and other farm birds. |
| Genre | fact |
| Letters | typeset |
| Notes | inside back cover |