Nancy Krulik is the author of more than 100 books for children and young adults, including three New York Times bestsellers. She is best known, however, for being the author and creator of the Katie Kazoo Switcheroo book series, which has brought her to the attention of second, third, and fourth graders nationwide. Nancy has also written extensively for teens and is well known as a biographer of Hollywood's hottest young stars. Her knowledge of the details of celebrities lives has made her a desired guest on several entertainment shows on the E! network as well as on Extra and Access Hollywood. She can be seen there talking about the secret lives of such celebs as Leonardo DiCaprio, Cameron Diaz, Justin Timberlake, Britney Spears, Hilary Duff, and Frankie Muniz. Nancy has also been a guest on radio broadcasts nationwide discussing the superstars she has researched over the years. As the author of several teen and preteen advice books, including Grosset and Dunlap's Prom!: The Complete Guide to a Truly Spectacular Night, Nancy has been interviewed by several prominent magazines including Cosmo Girl, Teen, Teen People, Seventeen, and Teen Celebrity. She has also been the celebrity guest for three Teen People chat presentations. Nancy has recently begun to delve into the teen novel market, writing four romances for young adults, all of which will be published between 2004 and 2005. Nancy currently lives in Manhattan with her husband, composer Daniel Burwasser, their two children, Amanda and Ian, and a crazed cockerspaniel named Pepper .