Nancy Tillman is the author and illustrator of the "New York Times" best-selling picture book "On the Night You Were Born" and its companion journal, "The Wonder of You: A Book for Celebrating Baby's First Year". Her other books include "Wherever You Are: My Love Will Find You", "The Spirit of Christmas", and "Tumford the Terrible". A former advertising executive, Tillman now writes and illustrates full-time. She lives in Tualatin, Oregon.