Margaret McNamara is the author of The Mr. Tiffin Classroom series including, The Dinosaur Expert, A Poem in Your Pocket,The Apple Orchard Riddle, and How Many Seeds in a Pumpkin?. She is also the author of Eliza, The Story of Elizabeth Schuyler Hamilton called "lovely," in a starred review from Booklist. Ms. McNamara lives in New York City. Visit her on the Web at margaretmcnamara.net.