| Issue | #42 |
| Published | September-October 1958 |
| Frequency | bi-monthly |
| 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] |
| Synopsis | Full-page color photo of Lassie and Timmy standing at a door. |
| Genre | adventure; animal; children |
| Pencils | ? (color photo) |
| Inks | ? (color photo) |
| Colors | ? (color photo) |
| Notes | * front cover * first "Timmy" cover |
| Characters | Lassie; Timmy; Ruth Martin; Paul Martin; Mr. Bowen (fair manager); Fairgoers; Star (Black Angus Calf); Rampaging Bull |
| Synopsis | Timmy wins a Black Angus calf at the county fair. |
| Genre | adventure; animal; children |
| Letters | typeset |
| Characters | Prince; Peter; Mr. Carter (Peter's father); Doctor Gordon |
| Synopsis | Prince rescues Mr. Carter from his overturned truck. |
| Genre | adventure; animal; children |
| Pencils | ? (header illustration) |
| Inks | ? (header illustration) |
| Colors | ? (header illustration) |
| Letters | typeset |
| Characters | Blaze; Lynx; Doe; Fawn |
| Synopsis | Blaze chases a marauding lynx from the meadow. |
| Genre | adventure; animal; children |
| Letters | typeset |
| Characters | Lassie; Timmy; Ruth Martin; Paul Martin; Governor; Governor's Wife; Governor's Agent; Surley (jewel thief); Monk (jewel thief); Cafeteria Counterman; Fireman; Policeman; Fairgoers; Star (Black Angus Calf) |
| Synopsis | Lassie captures two jewel thieves at the county fair. |
| Genre | adventure; animal; children |
| Letters | typeset |
| Notes | Story is a continuation of Lassie's New Partner. |