when was it launched?
April 2002
Gossip Girl (novel series)
The first novel, "Gossip Girl", was released in April 2002; the eleventh novel of the series was released in May 2007, with a prequel novel following in October 2007. Another follow-up novel, in which the characters return home from college for the holidays, was released in hardback format in November 2009. The original novel became the inspiration for the "Gossip Girl" teen drama television series, created by Josh Schwartz and Stephanie Savage, which premiered on The CW on September 19, 2007. There are now 13 novels.

what episode of gossip girl does blair and chuck get married In Season 6 -  In the series finale what is gossip girl? An American teen drama television series who acts in it? Blake Lively, Leighton Meester, Kelly Rutherford, Penn Badgley, Chace Crawford, Ed Westwick what are the names of some of the characters? Serena van der Woodsen, Blair Waldorf , Lily, Dan Humphrey, Nate Archibald, Chuck Bass did it have any guest stars? Yes - Joanna García, Tyra Banks, William Baldwin, Lady Gaga etc who is the director? UNANSWERABLE is the series based off a book? Yes - the novel series 'Gossip Girl' who is the author? Cecily von Ziegesar who is the publisher? Little, Brown and Company
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Gossip Girl (novel series) [SEP] Publication
The first novel, "Gossip Girl", was released in April 2002; the eleventh novel of the series was released in May 2007, with a prequel novel following in October 2007. Another follow-up novel, in which the characters return home from college for the holidays, was released in hardback format in November 2009. The original novel became the inspiration for the "Gossip Girl" teen drama television series, created by Josh Schwartz and Stephanie Savage, which premiered on The CW on September 19, 2007. There are now 13 novels. In May 2008, a follow-up series, "Gossip Girl: The Carlyles", began publication, following the Carlyle triplets as they begin moving to the Upper East Side.