 More recently, in 2007, "The Children of Húrin" was published by HarperCollins (in the UK and Canada) and Houghton Mifflin (in the US).The novel tells the story of Túrin Turambar and his sister Nienor, children of Húrin Thalion.The material was compiled by Christopher Tolkien from "The Silmarillion", "Unfinished Tales", "The History of Middle-earth", and unpublished manuscripts.