Lad A Dog Author:Albert Payson Terhune Lad: A Dog is a 1919 novel written by Albert Payson Terhune, loosely based on the life of Terhune's real-life rough collie, Lad. Born in 1902, the real-life Lad was an unregistered collie of unknown lineage. Through Lad's adventures, Terhune expresses his views on parenting, obtaining perfect obedience without force, and the nature and rights of... more » the "well-bred." It has sold more than one million copies and remains Terhune's best-selling work.« less