Question: Are Christina Stead and James Patterson both writers?

full_context: Document 1: James Patterson bibliography: This James Patterson Bibliography contains the list of books written and published by James Patterson. The list below separates the books into two main categories: books written for adults and books written for children and teens. Within those two categories, the books are further divided into three subcategories: fiction series, standalone fiction, or standalone nonfiction.
Document 2: The Man Who Loved Children: The Man Who Loved Children is a 1940 novel by Australian writer Christina Stead. It was not until a reissue edition in 1965, with an introduction by poet Randall Jarrell, that it found widespread critical acclaim and popularity. "Time" magazine included the novel in its "TIME 100 Best English-language Novels from 1923 to 2005". The novel has been championed by novelists Robert Stone, Jonathan Franzen and Angela Carter. Carter believed Stead's other novels "Cotters England"; "A Little Tea, A Little Chat"; and "For Love Alone" to be as good, if not better than "The Man Who Loved Children".
Document 3: James Bowen (author): James Bowen (born 15 March 1979, Surrey) is an author and busker based in London. His books "A Street Cat Named Bob", "The World According to Bob" and "A Gift from Bob", written with author Garry Jenkins were international best-sellers. A movie based on the first novel was released in 2016. Bowen now dedicates his time to help numerous charities that involve homelessness, literacy, and animal welfare.
Document 4: J. K. Rowling: Joanne Rowling, {'1': ", '2': ", '3': ", '4': "} ( ; born 31 July 1965), who writes under the pen names J. K. Rowling and Robert Galbraith, is a British novelist and screenwriter who wrote the "Harry Potter" fantasy series. The books have won multiple awards, and sold more than 400 million copies. They have become the best-selling book series in history and been the basis for a series of films, over which Rowling had overall approval on the scripts and was a producer on the final films in the series.
Document 5: I'm Dying Laughing: The Humourist: I'm Dying Laughing: The Humourist is a novel by Christina Stead (1902 - 1983). It was published posthumously by Virago Press in 1986, edited and with a preface by Ron Geering.
Document 6: Lemony Snicket bibliography: This is a list of books by Lemony Snicket, the pen name of American author Daniel Handler. Works published under the name Daniel Handler are not included. Snicket has published 26 fiction novels, thirteen in the main "A Series of Unfortunate Events" franchise. His works have been translated into more than 40 languages, and have sold more than 65 million copies.
Document 7: List of prolific writers: Some writers have had prolific careers with hundreds of their works being published. While some best-selling authors have written a small number of books that have sold millions of copies, others have had lengthy careers and maintained a high level of output year after year. Dame Agatha Christie, the most-published novelist in history, is estimated to have sold 4 billion books, having written 69 novels and 19 plays. Her works were published between 1920 and 1976, equating to around three publications every two years. Dame Barbara Cartland has also sold millions of copies of her books but wrote many more than Christie. She spent 80 years as a novelist with 722 books published, averaging one book released every 40 days of her career. While Cartland wrote a significant number of full-length novels, other authors have been published many more times but have specialised in short stories. Spanish author Corín Tellado wrote over 5,000 novellas, selling 400 million copies of her books.
Document 8: Letty Fox: Her Luck: Letty Fox: Her Luck is Australian-born author Christina Stead’s sixth novel. It is a tribute to the drama of the urban environment and its role in socializing its occupants. Published in 1946, Stead wrote the lengthy "Letty Fox" after living in New York City for seven years. The cosmopolitan setting serves well as the theater in which Stead develops her characters through their adventures with numerous careers, love affairs, familial obligations, and sensitivities to reputation. To this end, "Letty Fox" has been described as “a modern picaresque novel and psychological novel at the same time.”
Document 9: Germaine Greer: Germaine Greer ( ; born 29 January 1939) is an Australian-born writer and public intellectual. She is regarded as one of the major voices of the second-wave feminist movement in the latter half of the 20th century. She lives in the United Kingdom, where she has held academic positions, specializing in English literature, at the University of Warwick and Newnham College, Cambridge.
Document 10: James Patterson: James Brendan Patterson (born March 22, 1947) is an American author and philanthropist. Among his works are the "Alex Cross", "Michael Bennett", "Women's Murder Club", "Maximum Ride", "Daniel X", "NYPD Red", "Witch and Wizard", and "Private" series, as well as many stand-alone thrillers, non-fiction and romance novels. His books have sold more than 300 million copies and he was the first person to sell 1 million e-books. In 2016, Patterson topped "Forbes"'s list of highest-paid authors for the third consecutive year, with an income of $95 million. His total income over a decade is estimated at $700 million.
Document 11: Robert Ludlum: Robert Ludlum (May 25, 1927 – March 12, 2001) was an American author of 27 thriller novels, best known as the creator of Jason Bourne from the original "The Bourne Trilogy" series. The number of copies of his books in print is estimated between 290 million and 500 million. They have been published in 33 languages and 40 countries. Ludlum also published books under the pseudonyms Jonathan Ryder and Michael Shepherd.
Document 12: Lee Child: James D. "Jim" Grant (born 29 October 1954), primarily known by his pen name Lee Child, is a British author who writes thriller novels, and is most well-known for his "Jack Reacher" novel series. The books follow the adventures of a former American military policeman, Jack Reacher, who wanders the United States. His first novel, "Killing Floor", won both the Anthony Award, and the Barry Award for Best First Novel.
Document 13: Christa Wolf: Christa Wolf (née Ihlenfeld; 18 March 1929, Landsberg an der Warthe – 1 December 2011, Berlin) was a German literary critic, novelist, and essayist. She was one of the best-known writers to emerge from the former East Germany.
Document 14: Charlotte Perkins Gilman: Charlotte Perkins Gilman ( ); also Charlotte Perkins Stetson (July 3, 1860 – August 17, 1935), was a prominent American feminist, sociologist, novelist, writer of short stories, poetry, and nonfiction, and a lecturer for social reform. She was a utopian feminist and served as a role model for future generations of feminists because of her unorthodox concepts and lifestyle. Her best remembered work today is her semi-autobiographical short story "The Yellow Wallpaper" which she wrote after a severe bout of postpartum psychosis.
Document 15: Christina Stead: Christina Stead (17 July 190231 March 1983) was an Australian novelist and short-story writer acclaimed for her satirical wit and penetrating psychological characterisations. Christina Stead was a committed Marxist, although she was never a member of the Communist Party. She spent much of her life outside Australia.
ground_truth: yes