Brian Patrick Herbert (born June 29, 1947) is an American author who lives in Washington state. He is the elder son of science fiction author Frank Herbert (who died in 1986). Brian Herbert's novels include Sidney's Comet, Prisoners of Arionn, Man of Two Worlds (written with his father), and Sudanna Sudanna. In 2003, Herbert wrote a biography of his father titled Dreamer of Dune: The Biography of Frank Herbert. The younger Herbert has edited The Songs of Muad'dib and the Notebooks of Frank Herbert's Dune. Herbert has also created a concordance for the Dune universe based on his father's notes, though, according to the younger Herbert, there are no immediate plans to publish it. Source: Wikipedia (en)