Question: How many novels has the author of Sheikh's Castaway written?

full_context: Document 1: Alexandra Sokoloff: Alexandra Sokoloff is an American novelist and screenwriter, and the author of the Thriller award-nominated Huntress/FBI series, following a haunted FBI agent on the hunt for a female serial killer ("Huntress Moon", "Blood Moon", "Cold Moon", published by Thomas & Mercer in 2015). Her first novel, "The Harrowing", was published by St. Martin's Press in 2006. Her second novel, "The Price," was published by St. Martin's in 2007, her third, "The Unseen", in 2009, her fourth, "Book of Shadows", in 2010. She is a Bram Stoker and Anthony award nominee and a Thriller award winner, and the co-author of the paranormal mystery romance series "The Keepers".
Document 2: Leap of Faith: Memoirs of an Unexpected Life: Leap of Faith : Memoirs of an Unexpected Life (2003) is a book written by Queen Noor of Jordan, wife of the late Jordanian King Hussein I. Sharing a personal perspective on the past three decades of world history, Leap of Faith highlights Queen Noor's views on Islam and the West; the challenges of rearing her family; her work as Queen and humanitarian activist; and her struggles to protect her husband as he slipped into the illness that would kill him in 1999. Her story is filled with recollections of the world's most powerful and interesting people: Queen Elizabeth, Jimmy Carter, Pierre Trudeau, Ted Turner, Sean Connery, Richard Branson, Yassar Arafat and Anwar Sadat. She wrote this story after his death, describing her own life before and during their marriage, describing most of the political crisis he went through, including Black September.
Document 3: Tessa Dare: Tessa Dare is a New York Times and USA Today bestselling American historical romance novelist. She has authored fifteen novels and novellas and created four different series. In 2012, she won the prestigious Romance Writers of America RITA award for Best Regency Historical Romance for her book "A Night to Surrender".
Document 4: Alexandra Sellers: Alexandra Sellers is a writer, former actress and author of almost 40 contemporary romance novels. Her novels have been published in various Harlequin and Silhouette category lines, including Harlequin Desire, Intrigue, Mills & Boon Desire, Mills & Boon Special Releases, Presents, Silhouette Desire, Silhouette Intimate Moments, Silhouette Special Products, and Silhouette Spotlight. She is best known for her Sons of the Desert sheikh romance series.
Document 5: The Sea Beggars: The Sea Beggars is an incomplete book series by Paul Kearney. It began with "The Mark of Ran" (2004) and tells the story of Rol Cortishane. It is based almost entirely around ocean-based adventures. A second volume, "This Forsaken Earth" (original working title "The Stars We Sail By") was published in July 2006. The series was expected to be four books long and the third had nearly been completed when the series was unexpectedly dropped by Bantam in May 2007. After signing a new contract with Solaris, Paul announced this would now be a three book series and that the last book in the series was due to be published as an omnibus in Autumn 2012. However, due to the US publishers never releasing the rights for the final book, this remains unpublished.
Document 6: Nawal al-Hawsawi: Nawal al-Hawsawi is a Saudi-Arabian pilot, and a female. This is not common, if not almost impossible in Saudi Arabia, making Nawal al-Hawsawi a pioneer and a problem for the monarchy in the country. She also has led the county's women in fights against racism and domestic violence. She has been referred to as the "Rosa Parks of Saudi Arabia", due to her in dominatable spirit and desire to see women move forward in her country. Al-Hawsawi, who originated from Mecca, married a white American male, breaking this common tradition of only marrying within her religion and her race, as well as marrying outside her culture. . She has a commercial pilot's license and is also a mental health counselor and marriage therapist. These are not traditional fields for women in Saudi Arabia, and further the strain that al-Hawasai has felt from her relations with the monarchy in Saudi Arabia. She founded the therapy provider Soundheart.org, which is not allowed to pass through filters on the internet with Saudi Arabia. She has 50,000 followers on Twitter, and actively utilizes social media to strengthen her causes and beliefs. She receives a lot of pejorative commentary on social media, but meets it with grace and strength. The fact she is black and Saudi Arabian, also create issues for her in the western community, but she is not daunted by this. She was verbally abused by a woman in Saudi, where verbal abuse is a crime. She won her case in Saudi Arabia, but she dropped charges against the woman, who is now her friend. She never identified herself as black until time spent in the United States, where she learned to fly and got her license. She is not permitted to fly an aircraft in Saudi Arabia.
Document 7: Sheikh's Castaway: Sheikh's Castaway is the eighth book in Alexandra Sellers's Sons of the Desert series, and was released in 2004. After learning she’d been lied to and betrayed by her fiancé Bari, Princess Noor from Bagestan escapes from her own wedding, still dressed in her elaborate gown. In a reckless attempt to disappear and flee her imminent marriage, Noor hijacks her fiancés airplane, flying it straight into a tropical storm. Unbeknownst to her, Bari has hidden himself in the aircraft, and only makes his presence known in an attempt to save themselves just before they crash-land off the coast of a deserted island.
Document 8: Lorraine Heath: Lorraine Heath is a New York Times and USA Today bestselling American author of contemporary romance, historical romance, paranormal romance and young adult novels under multiple pen names, including Rachel Hawthorne, J.A. London, and Jade Parker. She is known for her "beautiful, deeply emotional romances" and in 1997, she received the Romance Writers of America RITA Award for Best Short Historical Romance for her novel "Always to Remember". As of June 2015, fifteen of her titles made the "USA Today" bestseller list.
Document 9: Catherine Mann: Catherine Mann is a USA Today bestselling author who has published numerous books with Berkley, Sourcebooks, and Harlequin Desire. Catherine has won a Rita Award, a Romantic Times Reviewer's Choice Award, a Booksellers' Best Award, and celebrated six RITA Award finals.
Document 10: Castaway (book): Castaway is a 1983 autobiographical book by Lucy Irvine about her year on the Australian tropical Torres Strait island of Tuin, having answered a want ad from writer Gerald Kingsland seeking a "wife" for a year in 1982. It was published by Victor Gollancz Ltd.. Irvine stated she longed for a “major personal challenge”. She also acknowledged she was taking chances, but as she was neither in a relationship nor had children, she felt it was worth taking. Her book was the basis of the 1986 film "Castaway", starring Oliver Reed as Gerald Kingsland and Amanda Donohoe as Irvine.
Document 11: 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 12: The Courtship of Princess Leia: The Courtship of Princess Leia is a 1994 bestselling "Star Wars" book by Dave Wolverton. It continued the streak of "New York Times" Bestsellers, which started with 1991's "Heir to the Empire". "The Courtship of Princess Leia" is set in the "Star Wars" expanded universe, and deals with the downfall of Warlord Zsinj and the circumstances leading to the marriage of Han Solo and Princess Leia.
Document 13: Aruba: The Tragic Untold Story of Natalee Holloway and Corruption in Paradise: Aruba: The Tragic Untold Story of Natalee Holloway and Corruption in Paradise
Document 14: Sandra Brown: Sandra Lynn Brown (born March 12, 1948) is an American bestselling author of romantic novels and thriller suspense novels. Brown has also published works under the pen names of Rachel Ryan, Laura Jordan, and Erin St. Claire.
Document 15: The Bride of Abydos: Divided into two cantos, and further into more than a dozen stanzas each, "The Bride of Abydos" has a rather straightforward plot. After an initial description of the Turkish setting, the story opens with the ruler Giaffir rebuking his supposed son, Selim. Selim professes his love for his half-sister, Zuleika, Giaffir's daughter. Angered, the Pasha refuses Selim a key to the royal harem and upbraids him with insults.
ground_truth: almost 40