** CORRECTS DATE TO APRIL 14 NOT 11 ** Harry Potter author J.K. Rowling arrives at Manhattan federal court, Monday, April 14, 2008, in New York. Rowling will testify on the first day of her trial against a publisher. Rowling says her copyrights are being violated by a fan who plans to publish a “Harry Potter” encyclopedia. Rowling brought the lawsuit against his publisher, RDR Books, to stop release of the “Harry Potter Lexicon.”(AP Photo/ Louis Lanzano)