Cover Art: Timmy's in the Well

An early photo of Jon Provost as "Timmy" with Lassie

Jon Provost, author of Timmy's in the Well

Laurie Jacobson, co-author of Timmy's in the Well

Lassie's three pals: Jon Provost (who played "Timmy Martin" from 1957-1964); Tommy Rettig (who played "Jeff Miller" from 1954-1957); and Will Estes (who played "Will McCullough" on "The New Lassie" in 1989-90).