found: The ratastrophe catastrophe, 2003:t.p. (David Lee Stone) jkt. (born 25 Jan. 1978)
found: David Grimstone website, viewed March 28, 2013:About webpage (David Grimstone was born in Margate on 25th January, 1978; his given name is David Lee Stone; he writes under both names and has published twenty-five books) homepage (David Grimstone has been writing for children and teenagers for more than a decade)
found: Email from author's agent, Sophie Hicks, March 26, 2013(author uses pen-names Rotterly Ghoulstone for United States publication of Undead Ed series and David Grimstone for the United Kingdom publication of both the Undead Ed series and the Gladiator boy series; David Lee Stone appears on the Illmoor Chronicles Series)
