Question: Which author Toni Lopopolo helped publicize continues to be referenced in the "Guinness World Records" for the most novels published in a single year in 1976?
Context: Guinness World Records: The Videogame is a party video game based on the Guinness World Records series of books of world records.  Developed by TT Fusion and published by Warner Bros.  Interactive Entertainment, the game was released on November 7, 2008 in Europe and Australasia, and on November 11, 2008 in North America. Toni Lopopolo is a literary agent whose book publishing career began in 1970 in the publicity department of Bantam Books, where she helped publicize authors such as Philip Roth, Barbara Cartland, Isaac Asimov and Louis L'Amour. David Andrew Farrow (born January 10, 1975) is a two-time Canadian Guinness World Record Holder for Most Decks of Playing Cards Memorized in a Single Sighting, entrepreneur, memory coach, speed reader and keynote speaker.  He is best known for winning the Guinness World Records for Most Decks of Playing Cards Memorized in a Single Sighting in 1996 and again in 2007 when he set out to reclaim his record after it was beaten in 2002.  The initial record was set at the Guinness World Records museum in Niagara Falls, Ontario, Canada while the latter was performed for Discovery Channel Canada at CTV Television Network studios.  Both records were accomplished under the controlled supervision of multiple cameras and multiple independent witnesses. Guinness World Records, known from its inception in 1955 until 1998 as The Guinness Book of Records and in previous United States editions as The Guinness Book of World Records, is a reference book published annually, listing world records both of human achievements and the extremes of the natural world.  The book itself holds a world record, as the best-selling copyrighted book of all time.  As of the 2017 edition, it is now in its 63rd year of publication, published in 100 countries and 23 languages. List of Palestinian records lists national and international records achieved by people, groups or institutions from the Palestinian territories.  For Example, The largest Qatayef ever made had a net weight of 104.75 kg (230 lb), which was organized by the Bethlehem Chamber of Commerce and Industry and cooked by the DANA bakery (Palestine) in Bethlehem, Palestine, on 27 August 2010.  Also, Three dedicated women in the West Bank are hoping to break the Guinness World Record for the biggest straw tray ever constructed in history.  The project, which the women have been working on for over two years, was begun by Rose Hamad, a resident of a small village near the city of Ramallah.  The straw tray is already the largest such tray in Palestine, and its construction continues.  Also, Palestinian chefs were able to get into the Guinness Book of World Records as the world’s largest salad when they have prepared a large bowl of the traditional Arabic dish Tabouleh at the Friend’s School in the Palestinian city of Ramallah, Friday, 9 June 2006.  The traditional dish made of lettuce, tomato, olive oil, cracked wheat and mint is a new record for the dish, according to organisers of the culinary achievement.  Also, a group of Palestinian seamstresses in Hebron have produced the largest traditional dress ever sewn.  About 150 women helped make the dress which is 32.6m (107ft) long and 18.1m (59.4ft) wide.  It is hoped that the dress will secure a place in the Guinness Book of World records and promote local handicrafts. Guinness World Records – Ab India Todega (English: "Guinness World Records – Now India will Break") is a reality TV show based on the Guinness Book of World Records.  The show, which was hosted by Preity Zinta and Shabbir Ahluwalia, premiered on 18 March 2011 to an audience measurement of 3.3 rating points.  Each episode presents different individuals trying to break official world records. According to "Guinness World Records", "White Christmas" (1942) by Bing Crosby is the best-selling single worldwide, with estimated sales of over 50 million copies.  The song recognized as "the best-selling single of all time" was released before the pop/rock singles-chart era and "was listed as the world's best-selling single in the first-ever "Guinness Book of Records" (published in 1955) and—remarkably—still retains the title more than 50 years later."  "Guinness World Records" states that double A-side charity single "Candle in the Wind 1997"/"Something About the Way You Look Tonight" (1997) by Elton John, a tribute to the late Diana, Princess of Wales, is "the biggest-selling single since UK and US singles charts began in the 1950s, having accumulated worldwide sales of 33 million copies," making it the second-best-selling single of all time. Dame Mary Barbara Hamilton Cartland DBE CStJ (9 July 1901 – 21 May 2000) was an English author of romance novels, one of the best-selling authors as well as one of the most prolific and commercially successful worldwide of the twentieth century.  Her 723 novels were translated into 38 languages and she continues to be referenced in the "Guinness World Records" for the most novels published in a single year in 1976.  As Barbara Cartland she is known for her numerous romantic novels but she also wrote under her married name of Barbara McCorquodale and briefly under the pseudonym of Marcus Belfry.  She wrote more than 700 books, as well as plays, music, verse, drama, magazine articles and operetta, and was a prominent philanthropist.  She reportedly sold more than 750 million copies.  Other sources estimate her book sales at more than two billion copies.  She specialised in 19th-century Victorian era pure romance.  Her novels all featured portrait-style artwork, particularly the cover art, usually designed by Frances Marshall. Twin Galaxies is an American organization that tracks "retro" and "old-school" video game world records and conducts a program of electronic-gaming promotions.  It operates the Twin Galaxies website and publishes the "Twin Galaxies' Official Video Game & Pinball Book of World Records", with the Arcade Volume released on June 2, 2007.  "The Guinness World Records - Gamers Edition 2008" was released in March, 2008 in conjunction with Twin Galaxies, who Guinness World Records considers to be the official supplier of verified world records to the annual volume. Guinness World Records Gone Wild, also known as "Guinness World Records Unleashed", is an American reality television series on truTV.  The series debuted on February 7, 2013 and is hosted by Dan Cortese.  The series' first season averaged more than 1.3 million viewers and ranked as one of ad-supported cable's Top 3 programs in the Thursday 8 p.m. timeslot with key adult and male demos.  It was also cable's No.1 unscripted entertainment program in the timeslot with men 18-49 and adults 18-34.  It was announced in April 2013 that truTV has ordered an additional ten episodes.  Season 2 premiered on November 7, 2013, and features a title change to "Guinness World Records Unleashed".
Answer: Barbara Cartland