Judith Viorst is the author of the beloved Alexander and the Terrible, Horrible, No Good, Very Bad Day, which has sold some four million copies; the Lulu books, including Lulu and the Brontosaurus; the New York Times bestseller Necessary Losses; four musicals; and poetry for children and young adults. Her most recent books of poetry include What Are You Glad About? What Are You Mad About? and Nearing Ninety.
Kevin Cornell's secret spy headquarters are located in Philadelphia. He has successfully accomplished several thrilling missions, including illustrating Mustache! and Count The Monkeys by Mac Barnett, the Chicken Squad series by Doreen Cronin, and the Lulu series by Judith Viorst. Leave a coded message for him at KevSkinRug.com.

When Lulu's parents go on vacation, the formidable Ms. Sonia Sofia Solinsky comes to babysit and Lulu behaves as badly as possible to get her to leave until Ms. Solinsky reveals her secret.