Dark Valley Destiny: the Life of Robert E. Howard is a biography of the writer Robert E. Howard by science-fiction writer L. Sprague de Camp in collaboration with Catherine Crook de Camp and Jane Whittington Griffin, first published in hardcover by Bluejay Books in December 1983, and in trade paperback by the same publisher in May 1986.
 An E-book edition was published by Gollancz's SF Gateway imprint on September 29, 2011 as part of a general release of de Camp's works in electronic form.
The McLaren young driver programme, formerly known as McLaren Driver Development Programme and McLaren Mercedes Young Driver Support Programme, is a program created by McLaren.
 It has been designed to offer year-by-year guidance, assistance and endorsement to help promising young racers – regardless of nationality – to climb the motorsport ladder.
"Crook and Ladder" is the nineteenth episode of "The Simpsons"<nowiki>'</nowiki> eighteenth season.
 It originally aired on the Fox network in the United States on May 6, 2007.
 It was written by Bill Odenkirk and directed by Lance Kramer.
Arturo Belano is the alter ego of the Chilean writer Roberto Bolaño.
 The character's first appearance was in the novella "Distant Star", where he was the narrator, while his most prominent role was in "The Savage Detectives" where he and fellow writer Ulises Lima are the central characters.
 Belano also appears in several short stories and in the novella "Amulet"; he is of the same age and nationality as Bolaño, with many shared elements in their biographies including a move from Chile to Mexico in their teens with their families, traveling around the world, and finally settling in Spain.
 According to Bolaño's notes, Belano is also the narrator of the novel "2666".
Bill Odenkirk (born October 13, 1965) is an American comedy writer.
Józef Mackiewicz (April 1, 1902 – January 31, 1985) was a Polish writer, novelist and political commentator; best known for his documentary novels "Nie trzeba głośno mówić" (One Is Not Supposed to Speak Aloud), and "Droga donikąd" (The Road to Nowhere).
 He staunchly opposed communism, referring to himself as an "anticommunist by nationality".
 Mackiewicz died in exile.
 His older brother Stanisław Mackiewicz was also a writer.
Lorianne Crook (born February 19, 1957) is an American radio and television host, producer and writer.
 She is best known for her work on The Nashville Network programs "This Week In Country Music" and "Crook & Chase" with Charlie Chase.
James Cambias (also as James L. Cambias) is an American science fiction and fantasy writer and tabletop game designer, whose stories have been finalists for the James Tiptree, Jr.
 Award, the Locus Award, the John W. Campbell Memorial Award, and the Compton Crook Award.
 Cambias was a nominee for the John W. Campbell Award for Best New Writer in 2001.
Achy Obejas (born June 28, 1956) is a Cuban-American writer and translator focused on personal and national identity issues, living in Oakland, California.
 She frequently writes on her sexuality and nationality, and has received numerous awards for her creative work.
 Obejas' stories and poems have appeared in "Prairie Schooner", "Fifth Wednesday Journal", "TriQuarterly", "Another Chicago Magazine" and many other publications.
 Some of her work was originally published in "Esto no tiene nombre", a Latina lesbian magazine published and edited by tatiana de la tierra, which gave voice to the Latina lesbian community.
 Obejas worked as a journalist in Chicago for more than two decades, and is currently the Distinguished Visiting Writer at Mills College in Oakland, California, where she teaches creative writing.
Paul A. Goble (born 1949) is an American analyst, writer and columnist with expertise on Russia.
 Trained at Miami University (B.A., 1970) and the University of Chicago (M.A., 1973), he is the editor of four volumes on ethnic issues in the former Soviet Union and has published more than 150 articles on ethnic and nationality questions.
 Goble served as special adviser on Soviet nationality issues and Baltic affairs to Secretary of State James Baker.

Question: What is the nationality of the writer of Crook and Ladder?
Answer: American