How many books are in the Gossip Girl series?

I want to know how many series, books, anything about them. My school library has three Gossip Girl books and The It Girl. I want to read ALL OF THEM. Any info would be appreciated.

Too many.

11 books have been published so far:1. Gossip Girl2. You Know You Love Me3. All I Want Is Everything4. Because I'm Worth It5. I Like It Like That6. You're the One That I Want7. Nobody Does It Better8. Nothing Can Keep Us Together9. Only In Your Dreams10. Would I Lie to You?11. Don't You Forget About Me...and a 12th is due out this October:12. It Had To Be You Coming

You should read real novels.

So far 11

Gossip Girl Series;;1.Gossip Girl2.You Know You Love Me3.All I Want Is Everything4.Because I'm Worth It5.I Like It Like That6.You're the One That I Want7.Nobody Does It Better8.Nothing Can Keep Us Together9.Only In Your Dreams10.Would I Lie to You?11.Don't You Forget About Me&&The Prequel comes out in October;;12.It Had To Be YouAnd the series also has a TV show coming out this fall on the CW.It Girl Series;;1.The It Girl2.Notorious3.Reckless4.Unforgettable&&coming in November;;5.LuckyI love these books, I'm on the tenth Gossip Girl and 4th It-Girl.They always seem to keep you turning the page to figure out what happens next.Only if you are mature, read these.Believe me, lol.Hope this helps!