Question: Whose bestseller list did the author of Empress Bianca have a biography on in 1992?

Context articles: Empress Bianca
The Secrets of Sir Richard Kenworthy
Beth Wiseman
List of Fear Street books
Vision in White
Karen Rose Smith
Rumour Has It (novel)
Christopher Scheer
The Te of Piglet
Lady Colin Campbell

Empress Bianca, the first novel by Lady Colin Campbell, was initially published in June 2005.
 One month later, Arcadia Books, the British publisher, withdrew the book and pulped all unsold copies in reaction to a legal threat initiated on behalf of Lily Safra under her interpretation that the book was a defamatory roman à clef.
 After some changes the book was republished in the United States in 2008 by Dynasty Press.
The Secrets of Sir Richard Kenworthy is a Regency romance written by Julia Quinn and published in 2015 by Avon Books.
 Quinn's 24th novel is also the final installment of her series known as the Smythe-Smith Quartet.
 It features Iris Smythe-Smith and the eponymous Sir Richard Kenworthy.
 The novel reached number 2 on the New York Times Bestseller List and was in the top 10 for the "USA Today" bestseller list.
Beth Wiseman is the best-selling author of the "Daughters of the Promise" series and the "Land of Canaan" series.
 Having sold over 1.5 million books, her novels have held spots on the ECPA (Evangelical Christian Publishers Association) Bestseller List and the CBA (Christian Book Association) Bestseller List.
 She was the recipient of the prestigious Carol Award in 2011 and 2013.
 She is a three-time winner of the Inspirational Readers Choice Award, and an INSPY Award winner.
 In 2013 she won the coveted Holt Medallion.
 Her first book in the "Land of Canaan" series — "Seek Me With All Your Heart" — was selected as the 2011 Women of Faith Book of the Year.
 Wiseman is contracted with HarperCollins Christian Publishing into the year 2018, and she has published thirteen novels and thirteen novellas to date.
This is a list of books from the "Fear Street" book series created and written by R. L. Stine.
 The first book, "The New Girl" was published in 1989.
 Various spin-off series were written, including the "Fear Street Sagas" and "Ghosts of Fear Street".
 More than 80 million "Fear Street" books have been sold as of 2003.
 The books appeared in many bestseller lists, including the "New York Times" Best Seller list for children, "USA Today" bestseller list and "Publishers Weekly" bestseller list, and the series was listed as the bestselling young-adult book series of all time.
Vision In White is the first book of the Bride Quartet series of romance novels, written by Nora Roberts.
 It spent two weeks atop the "New York Times" Bestseller List and reached number 3 on the "USA Today" bestseller list, marking the first time one of Roberts' books had become a bestseller in trade paperback format.
 A downloadable casual-play computer game based on the book was introduced by I-Play in 2010.
Karen Rose Smith was born in Pennsylvania.
 Her first romance was published in 1992; her 97th novel, a mystery, will be published in 2017.
 It is the sixth in her eight book Caprice De Luca Home Staging mystery series.
 Her Daisy's Tea Garden mystery series will begin in 2018.
 She has written for Meteor/Kismet, Kensington, Silhouette and Harlequin.
 She has also indie-published novels and short story collections in e-book format.
 Twice a winner of New Jersey's Golden Leaf Award in Short Contemporary Romance, she has also been honored with CRA's Award Of Excellence for short contemporary, as well as the Golden Quill for Traditional Romance.
 Her romances have made the USA TODAY list and Amazon's romance bestseller list.
 Her mystery, Staged To Death, climbed to #1 on Amazon's cozy mystery bestseller list.
 Married, she spend her days writing, gardening, cooking and keeping her four rescued cats company.
Rumour Has It is a novel by British author Jill Mansell.
 Rumour Has It, spent eight weeks in The Sunday Times hardback bestseller list in 2009 and the paperback ranked third in The Sunday Times bestseller list
Christopher Scheer (born September 8, 1968) is the co-author, with Robert Scheer and Lakshmi Chaudhry, of "The Five Biggest Lies Bush Told Us About Iraq", published in 2003 in the U.S., England and Australia.
 The book appeared on the "Los Angeles Times" bestseller list and was a part of the national debate in 2004 about the then still popular Iraq War.
 In 2010, he received co-author credit, with his father, on "The Great American Stickup", which also appeared on the "Los Angeles Times" bestseller list.
 In 2016, he received co-author credit for "," with Narda Zacchino.
The Te of Piglet is a 1992 philosophical non-fiction book written by Benjamin Hoff as a companion to his 1982 work "The Tao of Pooh".
 The book was published by Dutton Books and spent 21 weeks on the "Publishers Weekly" Bestseller List and 37 weeks on the "New York Times" Bestseller List.
Georgia Arianna, Lady Colin Campbell ("née" Ziadie; born 17 August 1949) is a Jamaican-born British writer, socialite, and television and radio personality.
 She has published three books about the British Royal Family.
 They include biographies of Diana, Princess of Wales, which was on "The New York Times" bestseller list in 1992, and Queen Elizabeth The Queen Mother.
 She has also written two autobiographies, one exploring her mother.