Heller with a gun

Louis Dearborn L'Amour was an American author. His books consisted primarily of Western fiction novels (though he called his work 'Frontier Stories'), however he also wrote historical fiction (The Walking Drum), science fiction (The Haunted Mesa), nonfiction (Frontier), as well as poetry and short-story collections. Many of his stories were made into movies. L'Amour's books remain popular, and most have gone through multiple printings. At the time of his death all 105 of his existing works were in print (89 novels, 14 short-story collections, and two full-length works of nonfiction) and he was considered "one of the world's most popular writers."