Eric Knight

When Joe's father went on the dole, Lassie their valuable collie was sold to a duke, who took her to northern Scotland. Joe's devotion, Lassie's escape, and the four hundred mile trek back to the collie's family in Yorkshire make an ... adventure story with the atmosphere of pre-war England."

Sold in financial desperation to a wealthy duke, a collie undertakes a 1000-mile journey in order to be reunited with her former master in Yorkshire.

The Carraclough family is forced to sell Lassie when they fall on hard times. On her journey of 500 miles, Lassie faces dangers, natural and human, and finds help in unexpected places as she returns to her home and the boy she loves.

Three separate films featuring a devoted dog named Lassie.