Cecily von Ziegesar

The It Girl is the first book in The It Girl series. It was written in 2005 by a ghostwriter with suggestions from Cecily von Ziegesar. Aimed toward young adults, it is a spin-off from the bestselling Gossip Girl series. Jenny Humphrey has been kicked out from Constance Billard in the eighth book of the Gossip series. …

Unforgettable is the fourth book in The It Girl series, released in 2007. It was written by a ghostwriter with suggestions from Cecily von Ziegesar. Aimed toward young adults, it is a spin-off from the bestselling Gossip Girl series.