Question: In what year was the author of "Trading Christmas" born?

full_context: Document 1: Eileen Dreyer: Eileen Dreyer is a New York Times bestselling American author of contemporary romance, historical romance and suspense and also publishes under the pen name Kathleen Korbel. She is a five-time winner of the Romance Writers of America RITA Award and in 1995 was inducted into the Romance Writers of America Hall of Fame. In 2014, she competed on the TV game show Jeopardy!.
Document 2: A Christmas Carol (1984 film): A Christmas Carol is a 1984 British-American made-for-television film adaptation of Charles Dickens' famous 1843 novella of the same name. The film is directed by Clive Donner, who had been an editor of the 1951 film "Scrooge", and stars George C. Scott as Ebenezer Scrooge.
Document 3: Christmas with Holly: Christmas with Holly is a 2012 Canadian-American made-for-TV film based on the book "Christmas Eve at Friday Harbor" by Lisa Kleypas. It originally aired on ABC as a Hallmark Hall of Fame film on December 9, 2012, and stars Eloise Mumford.
Document 4: Trading Christmas: Trading Christmas is a 2011 Christmas film directed by Michael Scott and starring Faith Ford, Tom Cavanagh, Gil Bellows, Gabrielle Miller, Emma Lahana, and Andrew Francis. The film is based on the novel of the same name by author Debbie Macomber, who also serves as a producer. The film premiered on the Hallmark Channel on November 26, 2011.
Document 5: Trade In: Trade In is a 2009 comedy film in post production, directed by Jackie Lee James. The film was written by Jason Moore, Kris Sharma and Drew Grubich. The film stars Chris Mascarelli, Tiffany Shepis, and Christina Leigh.
Document 6: Debbie Macomber: Debbie Macomber (born October 22, 1948 in Yakima, Washington) is an American author of romance novels and contemporary women's fiction. Four of her novels have become made-for-TV movies. Macomber was the inaugural winner of the fan-voted Quill Award for romance in 2005 and has been awarded both a Romance Writers of America RITA and a lifetime achievement award by the Romance Writers of America.
Document 7: Barbara Freethy: Barbara Freethy (born in California) is a #1 New York Times bestselling American author of women's fiction, contemporary romance and romantic suspense. She is a two-time winner of Romance Writers of America's RITA Award for Best Contemporary Single Title Romance for "Daniel's Gift" in 1997, and for Best Contemporary Single Title Romance for "The Way Back Home" in 2013. She has sold over 5 million books, with 18 books making the New York Times bestseller list. In 2014, she was named the Amazon KDP Bestselling Author of All Time.
Document 8: Sarah MacLean: Sarah MacLean (born December 17, 1978) is a New York Times bestselling American author of young adult novels and romance novels. Her first adult romance novel, "Nine Rules to Break When Romancing a Rake" debuted on the New York Times Bestseller List, where it stayed for four weeks. Since then, all of her adult romance novels have been on the New York Times and USA Today bestseller lists. Since February 2014, MacLean has written a monthly romance novel review column for The Washington Post. She is a two-time winner of the Romance Writers of America RITA Award for Best Historical Romance for "A Rogue by Any Other Name" in 2013 and "No Good Duke Goes Unpunished" in 2014.
Document 9: Anne Gracie: Anne Gracie is an award winning Australian author of historical romance novels. Her books have been shortlisted for RITA Award and she has twice won the Australian Romance Writer of the Year award and National Readers Choice Award (USA). She lives in Melbourne, Victoria.
Document 10: Deborah Yaffe: Deborah Yaffe (born 1965) is the author of two books, most recently and prominently the book "Among the Janeites: A Journey through the World of Jane Austen Fandom " (Houghton Mifflin Mariner, 2013). The book describes Yaffe's lifelong love of Jane Austen, as well as the lives and ideas of many other Jane Austen fans or "Janeites." Yaffe's book has been featured in the "New York Times", the "New York Post", the "Christian Science Monitor", and "O! Magazine", among others. Yaffe has been a reporter in New York and California and is also the author of "Other People's Children: The Battle for Justice and Equality in New Jersey Schools."
Document 11: 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 12: Mary Christmas (film): Mary Christmas is a 2002 American Christmas movie written by Stanley M. Brooks and Betty G. Birney. It was directed by and stars John Schneider. In the movie Joel Wallace, Schneider's character, is a widower raising a daughter, Felice (Jenna Boyd). In her Christmas letter to Santa Claus, Felice wishes for a new mother for Christmas. The letter is intercepted by a local news producer who cancels reporter Mary Maloney's vacation and sends her to investigate the Wallace family as a human interest story. Most of the movie deals with Joel's searching for a new wife that will be Felice's mother. The ending takes a bit of a twist, though, when it turns out that Mary is Felice's birth mother who had given her up for adoption. The movie incorporates a little extra magic with "governor" Les Turner whom Felice thinks is Santa Claus.
Document 13: A Christmas Melody: A Christmas Melody, also known under its working title of "Mistletoe & Melody", is a 2015 American Christmas television film and the feature film directorial debut of Mariah Carey, who co-stars with Lacey Chabert. It was filmed in October 2015, and debuted on the Hallmark Channel on December 19, 2015. The film was viewed by 3.95 million people upon its debut.
Document 14: Nancy Warren (author): Nancy Warren is a Pacific Northwest author of contemporary romance novels. She received her first publication contract after winning Harlequin's 2000 Summer Blaze contest. Since then, she has released 30 novels and novellas, been twice nominated for the Romance Writers of America's RITA Award, and won a "Romantic Times" Reviewers' Choice Award.
Document 15: Four Christmases: Four Christmases (Four Holidays in Australia and New Zealand, Anywhere But Home in the Netherlands, Norway, United Arab Emirates and in South Africa) is a Christmas-themed romantic comedy film about a couple visiting all four of their divorced parents' homes on Christmas Day. The film is produced by Spyglass Entertainment released by New Line Cinema on November 26, 2008, the day before Thanksgiving, and distributed by Warner Bros. Pictures. It stars Vince Vaughn and Reese Witherspoon, with Sissy Spacek, Mary Steenburgen, Robert Duvall, Jon Voight, Jon Favreau, Tim McGraw, Dwight Yoakam, and Kristin Chenoweth as supporting cast. The film is director Seth Gordon's first studio feature film. The DVD and Blu-ray Disc was released on November 24, 2009.
ground_truth: 1948