In 2004, Nicola Nikolov, an émigré to the U.S. in 1976 from communist Bulgaria, walked into William Dailey Rare Books in Los Angeles with a small archive of letters.Briefly recounting a dark biography past and reduced, if freer, circumstances present, he told of his life as a published Bulgarian author and his difficulty establishing a writing career for himself in the United States. It was extremely important to him that his writing be accepted.In August of 1978, he wrote, heart in hand, two-page long, well-written, typed letters to a small number of American novelists, with full, dire biographical details, limning...