TORONTO - The American science fiction writer Robert A. Heinlein is known for such classic novels as Stranger in a Strange Land, Starship Troopers and The Moon Is A Harsh Mistress. A new book reveals that Heinlein, at least early in his life, was a Socred, a believer in the Social Credit movement that came to power in Alberta in 1935. Heinlein's long-lost first novel, For Us, the Living: A Comedy of Customs, is scheduled for publication in January. It imagines a future America patterned on 1930s Alberta. Heinlein wrote the novel in the late 1930s. It tells the story...