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 adults. Her most recent books of poetry include What Are You Glad About? What Are You Mad About? and Nearing Ninety. She lives in Washington, DC.

Robin Preiss Glasser is the #1 New York Times bestselling illustrator of the Fancy Nancy series, written by Jane O’Connor; America: A Patriotic Primer, A Is for Abigail, and Our Fifty States by Lynne Cheney; and Tea for Ruby by Sarah Ferguson, the Duchess of York. She lives in Southern California with her family.