Title: Charles Martin (author)
Content:  Charles Martin (born November 3, 1969) is an author from the Southern United States. Martin earned his B.A. in English from Florida State University and went on to receive an M.A. in Journalism and a Ph.D. in Communication from Regent University. He currently lives in Jacksonville, Florida. He is the author of fifteen novels:  The Water Keeper (2020), What If It's True?: A Storyteller’s Journey with Jesus (2019), Send Down the Rain (2018), Long Way Gone (2017), Water from My Heart (2015), A Life Intercepted (2014), Unwritten (2013), Thunder and Rain (2012), The Mountain Between Us (2010), Where the River Ends (2008), Chasing Fireflies: A Novel of Discovery (2007), Maggie: The Sequel to The Dead Don't Dance (Awakening Book 2) (2006), When Crickets Cry (2006), Wrapped in Rain (2005) and The Dead Don't Dance (Awakening Book 1) (2004). The Mountain Between Us was made into a major motion picture by 20th Century Fox. Starring Kate Winslet and Idris Elba, it was released on October 6, 2017.
Title: John Martin (comedian)
Content:  John Martin (born 1962) is a British comedian, writer and author.
Title: Al Martin (screenwriter)
Content:  Al Martin (January 1, 1897 – October 10, 1971) was an American screenwriter and TV writer known for his work on B-movies across a wide range of genres.
Title: Guy Martin
Content:  of his latest book, titled "Guy Martin: Worms to Catch" featuring Guy's thoughts on the past year and upcoming challenges. Martin is also listed as the author of companion books for some of his television shows: How Britain Worked, published on 4 October 2012 and Speed, published on 1 December 2013. Martin also writes for the driving section of The Sunday Times newspaper. He has written car reviews on the 2015 Aston Martin Vanquish Carbon, the 2015 Range Rover Sport SVR, the 2015 Ford Transit L2 H2, and the 2016 Ford Mustang V8 GT, as well as writing about his own Volvo Vöx and his Wall of Death show.
Title: Martin's Mice
Content:  Martin's Mice is a children's book about a cat who befriends mice. It was written by Dick King-Smith. The first edition was published in 1988 by Gollancz Books.
Title: Poppy Z. Brite
Content:  Martin is best known for writing gothic and horror novels and short stories. His trademarks include featuring gay men as main characters, graphic sexual descriptions, and an often wry treatment of gruesome events. Some of Martin's better known novels include Lost Souls (1992), Drawing Blood (1993), and the controversial serial killer novel Exquisite Corpse (1996); he has also released the short fiction collections Wormwood (originally published as Swamp Foetus; 1993), Are You Loathsome Tonight? (also published as Self-Made Man; 1998), Wrong Things (with Caitlin R. Kiernan; 2001), and The Devil You Know (2003). His "Calcutta: Lord of Nerves" was selected to represent the year 1992 in the story anthology The Century's Best Horror Fiction. 
Title: Wednesday Martin
Content:  Martin has taught literature and cultural studies at Yale, The New School, and Baruch College. In May 2009, Martin's memoir about her experience as a stepmother called Stepmonster: A New Look at Why Real Stepmothers Think, Feel and Act the Way We Do was published. After Martin moved to the Upper East Side neighborhood of Manhattan with her family in 2004, she began researching and documenting her experiences there for her next book, Primates of Park Avenue. Simon & Schuster released the book in June 2015. The memoir recounted Martin's experience living among the wealthy women, particularly stay-at-home mothers, of the Upper East Side and examined their behavior from a social researcher's perspective, inspired by the work of Jane Goodall. Primates has been translated into nine languages, as of 2018. In her book Untrue (2018), Martin focused on female sexuality and addressing untruths about women and sex. Martin has also written for Psychology Today, The Daily Telegraph, The New York Times, The Huffington Post, and The Atlantic.
Title: Kat Martin
Content:  Martin was born in the Central Valley of California. She obtained a degree in Anthropology and also studied History at the University of California, Santa Barbara. She lives with her husband, writer and photographer Larry Jay Martin in Missoula, Montana. They have collaborated on a book under the pseudonym of Kathy Lawrence. Martin is a member of the Romance Writers of America. To date, she has been published in England, Spain, Italy, Greece, Germany, Norway, Sweden, Bulgaria, Russia, South Africa, China, and Korea.
Title: The Passion of Martin
Content:  The Passion of Martin is a 1990 American comedy film written and directed by Alexander Payne, adapted from the novel El túnel by Ernesto Sabato.
Title: Al Martin (screenwriter)
Content:  Martin, a native of Milwaukee, Wisconsin, got his start writing scenarios and titles for silent films, first at Mascot and then at Republic. In the 1940s, he started working for Hal Roach, Monogram, Columbia, and Paramount. By the 1950s, he was working on various television shows, in addition to writing sci-fi films for Roger Corman. His final feature was 1958's In the Money, a Bowery Boys film. He had a son, Harvey Martin, with his first wife, Mildred Seib. After Mildred's death, he married Helen Abrams, who he co-wrote Invisible Ghost with. He once held a party for his dog at the Knickerbocker Hotel, and invited notable A-listers like Joan Crawford and their dogs.

Question: Who is the author of Martin?
Answer: Alasdair Gray.
Alasdair James Gray.