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Humphries has had three books published in America: the Tinling story, "Love and Faults"; "The Doberman Pinscher", and "Little League to the Major Leagues", an insider guide to baseball's assembly line from youth leagues to the pros. The baseball book was written after Humphries—who was an All Star Little League coach—helped guide his son, Justin, from Little League to the pros where he was drafted out of high school by the Houston Astros in 2001.