Dr. Andrea Balis works at John Jay College/City University of New York. Her specialization is 20th Century political history. She has also written extensively for the theatre and worked as a director. She is the author of two books for young people, What Are You Using, a Guide for Birth Control for Teenagers, (Dial Press) and a novel PJ, (Dell Yearling). Elizabeth Levy is the award-winning author of over 100 fiction and non-fiction books for children and young adults. She is known for the humor and research that she brings to her subjects, from My Life as A Fifth Grade Comedian, to Scholastic's America's Funny But True History and If You Were There When They Signed the Constitution. For a full list of her books go to www.elizabethlevy.com.