Question: Which author whose work has been adapted into 112 films also was a co-author for Open Range.

Context paragraphs:
Steve Thayer: Steve Thayer (b. (1953--) 23, 1953 in Saint Paul, Minnesota) is an author whose work has been on The New York Times Best Seller list.  His birth date is March 23, 1952.  Thayer was born in Saint Paul, Minnesota and currently resides in Edina, Minnesota.  Thayer graduated from the American Academy of Dramatic Arts in 1976.  His books are classified as suspense genre.  The topics of his work include criminal investigations, conspiracies, murder, and kidnapping.Thayer's writing as been described as "gritty" and "fast-paced."

John Gray (Canadian author): John Gray is a Canadian journalist and author whose work includes "Paul Martin: The Power of Ambition", a biography with an emphasis on Martin's lifelong quest to be Prime Minister.  A former journalist with the "Ottawa Citizen", Gray also had many roles in 20 years of work for "The Globe and Mail", including writer, editor, foreign correspondent, and Ottawa bureau chief.  He won three National Newspaper Awards.

Kofi Awoonor: Kofi Awoonor (13 March 1935 – 21 September 2013) was a Ghanaian poet and author whose work combined the poetic traditions of his native Ewe people and contemporary and religious symbolism to depict Africa during decolonization.  He started writing under the name George Awoonor-Williams, and was also published as Kofi Nyidevu Awoonor.  He taught African literature at the University of Ghana.  Professor Awoonor was among those who were killed in the September 2013 attack at Westgate shopping mall in Nairobi, Kenya, where he was a participant at the Storymoja Hay Festival.

Lan's Lantern: Lan's Lantern was a science fiction fanzine edited by George "Lan" Laskowski.  It was nominated for the Hugo for Best Fanzine for 1986 through 1996, winning in 1986 and 1991.  It is often referred to as an appreciation zine because it specialized in issues with articles celebrating a science fiction single author such as issue #11 which focused on Clifford D. Simak or issue #9 which focused on the writings of Jack Williamson, an early 1950s science fiction author whose work appeared in Amazing Stories.  The first issue was published in April 1976 and the final issue #47 was published in December 1998.  Issues ranged from 30 to 120 pages each.

Zane Grey: Pearl Zane Grey (January 31, 1872 – October 23, 1939) was an American dentist and author best known for his popular adventure novels and stories associated with the Western genre in literature and the arts; he idealized the American frontier. " Riders of the Purple Sage" (1912) was his best-selling book.  In addition to the commercial success of his printed works, they had second lives and continuing influence when adapted as films and television productions.  His novels and short stories have been adapted into 112 films, two television episodes, and a television series, "Dick Powell's Zane Grey Theater".

Alison Leslie Gold: Alison Leslie Gold is an internationally respected American author whose work has been translated into more than 20 languages.  She has written literary fiction as well as books for young people on a wide range of subjects including alcoholic intervention and the Holocaust as experienced by the young.

Ross Clark (journalist): Ross Clark (born 12 September 1966) is a British journalist and author whose work has appeared in "The Spectator", "The Times" and other publications.  He is the author of several books, including "How to Label a Goat: the silly Rules and Regulations that are strangling Britain" and "The Great Before", a novel which satirised the pessimism of the green movement.  He is a frequent critic of British government policy, especially on its interventions in the housing market.

Nigel Gibson: Nigel Gibson is a British activist, a scholar specialising in philosophy and a noted author whose work has focussed, in particular, on Frantz Fanon.  Edward Said described Gibson's work as "rigorous and subtle".  He has been described as a leading figure in Fanon scholarship.

Edward Sorel: Edward Sorel (born Edward Schwartz, 26 March 1929, The Bronx) is an illustrator, caricaturist, cartoonist, graphic designer and author whose work is known for its storytelling, its left-liberal social commentary, its criticism of reactionary right-wing politics and organized religion.  Formerly a regular contributor to "The Nation", "New York Magazine" and "The Atlantic", his work is today seen more frequently in "Vanity Fair".  He has been hailed by "The New York Times" as "one of America's foremost political satirists".  As a lifelong New Yorker, a large portion of his work interprets the life, culture and political events of New York City.  There is also a large body of work which is nostalgic for the stars of 1930s and 1940s Hollywood when Sorel was a youth.  Sorel is noted for his wavy pen-and-ink style, which he describes as "spontaneous direct drawing".

Open Range (1927 film): Open Range is a lost 1927 American Western silent film directed by Clifford Smith and written by Roy Briant, Zane Grey, J. Walter Ruben and John Stone.  The film stars Betty Bronson, Lane Chandler, Fred Kohler, Bernard Siegel, Guy Oliver, Jim Corey and Buck Connors.  The film was released on November 11, 1927, by Paramount Pictures.

Supporting paragraphs: Open Range (1927 film) Zane Grey
Answer: Zane Grey