Mara Rockliff is the author of many books for children, including the picture books
Mesmerized, an Orbis Pictus Honor Book;
Around America to Win the Vote; Anything But Ordinary Addie; Chik Chak Shabbat; and
Me and Momma and Big John, a Charlotte Zolotow Honor Book and Golden Kite Award winner. She lives in Lancaster, Pennsylvania.
Zosia Dzierzawska studied illustration in Milan, Italy. She has published throughout the world, and her work has appeared in the
New York Times.
Doctor Esperanto and the Language of Hope is her American picture book debut. She lives in Warsaw, Poland.