FINISHING AN UNFINISHED TALE: J.R.R. Tolkien’s unfinished the children of hurin has been deited by his son into a completed work and will be released ext spring. Christopher Tolkien has spent the past 30 years working on the epic tale his father began in 1918 and later abandoned. Excerpts of The Children of Hurin, which includes the elves and dwarves of Tolkien’s The Lord of the Rings and other works, have previously been published. The new book will be published by Houghton Mifflin in the United states and HarperCollins  in England. J.R.R.Tolkien’s Lord of the Rings Trilogy has sold more than 50 million copies and was also adapted into a blockbuster Academy Award-winning trio of films. A stage version is  scheduled to open next year.