Roger Lancelyn Green, 68, whose retelling of the myths, legends and fairy tales of yesteryear became favored stories for children. Green, an authority on children's literature of the Victorian Era, wrote nearly 100 books of stories, literature and history for young and old, including highly praised revisits to such classics as "King Arthur and His Knights of the Round Table," "The Adventures of Robin Hood" and "Heroes of Greece and Troy." In 1979, he published a two-volume edition of the letters of Lewis Carroll, the creator of Alice, and wrote biographies of children's story writers, including Carroll, Andrew Lang, J. M. Barrie and A. E. W. Mason, besides editing journals on Rudyard Kipling and Sherlock Holmes. Before becoming a writer, Green was a schoolmaster, antiquarian bookseller, actor and a librarian of Merton College, Oxford. On Thursday. The cause and place of his death were not reported.