Sylvia Day

Japanese American writer

Sylvia June Day (born March 11, 1973) is a Japanese American writer. She also writes under the pseudonyms S. J. Day and Livia Dare. She is a number one bestselling author in 29 countries.

Day writes genre fiction and literary commentary. She has also published under the pseudonyms S. J. Day and Livia Dare. She is the co founder of Passionate Ink, a special interest chapter of Romance Writers of America (RWA), and served on RWA's Board of Directors from 2009 13. She was the 22nd President of RWA. Day presently serves on the Authors Guild Board of Directors. She presents workshops for writing groups and has been a speaker at events such as the RT Booklovers Convention, Romance Writers of America's National Convention, and Comic Con. In March 2013, Harlequin Enterprises and Hearst Corporation announced the signing of Day to a seven figure contract to write two novellas to launch "Cosmo Red Hot Reads from Harlequin," a new collaboration between the publisher and communications giant. In June 2013, Penguin USA agreed on an eight figure deal for two more "Crossfire" books, with Penguin UK acquiring UK and Commonwealth rights for an additional seven figures. In January 2014, Macmillan's St. Martin's Press announced a two book, eight figure agreement with Day for a new "Blacklist" series. Penguin UK acquired UK and Commonwealth rights to the series for an additional seven figures. In April 2019, Amazon Publishing announced a deal for a new novella from Day for seven figures.

Day's Crossfire series has 13 million English language copies in print and international rights licensed in over 40 territories as of January 2014. Bared to You was #62 on the Amazon. com's list of top 10 best selling books of 2012, #5 on iTunes' Top Ten Books of the Year, and #7 on Bookscan's Top 10 Print Book Sales of 2012 – Adult Fiction. Bared to You spent forty five weeks on The New York Times trade paperback bestseller list and sixty seven weeks on the USA Today bestseller list. The Crossfire series was acquired by Lionsgate Television Group for television adaptation, but Day declined a third renewal of the option and the rights reverted to her. The rights were optioned a second time and reverted again. The series is presently in development with a third, as yet unnamed studio.

In April 2013, HeroesAndHeartbreakers. com broke the news that Day's Crossfire series had been optioned for television adaptation. Lions Gate Entertainment secured the rights. Kevin Beggs, President of the Lionsgate Television Group, confirmed the acquisition on August 5, 2013 in a press release. Lionsgate TV Executive Vice President Chris Selak, who was to oversee development for the studio, said, "The Crossfire series is an incredible property and it is a thrill to bring it to Lionsgate. Sylvia has created an enduring, sexy and edgy story, and we're looking forward to working with her to create a show that both excites and connects with audiences as her books have done." However, Day declined a third renewal of the option and the rights reverted to her. The rights were optioned a second time and reverted again. The series is presently in development with a third, as yet unnamed studio. In June 2017, startup streaming entertainment company Passionflix began production of Day's Afterburn/Aftershock film adaptation. Principal photography concluded on July 29, 2017. The film debuted in November 2017. Beyond Words: Sylvia Day, a documentary covering the world tour supporting the release of Day’s One with You, was released on October 9, 2018.

In July 2020, Day – with Lee Child, John Grisham, C. J. Lyons, Douglas Preston, Jim Rasenberger, T. J. Stiles, R L Stine, Monique Truong, Scott Turow, Nicholas Weinstock, and Stuart Woods, along with Amazon Publishing and Penguin Random House LLC – filed a lawsuit against book piracy entity KISS Library in the U. S. District Court for the Western District of Washington for selling pirated copies of their literary works. In December 2021, the court ruled in favor of the plaintiffs with a $7.8 Million dollar default judgement. In September 2023, Day – along with David Baldacci, Mary Bly, Michael Connelly, Jonathan Franzen, John Grisham, Elin Hilderbrand, Christina Baker Kline, Maya Shanbhag Lang, Victor LaValle, George R. R. Martin, Jodi Picoult, Douglas Preston, Roxana Robinson, George Saunders, Scott Turow, Rachel Vail, and The Authors Guild – filed a lawsuit against OpenAI for "flagrant and harmful infringements of Plaintiffs’ registered copyrights in written works of fiction."