Heidi E.Y. Stemple is a second-generation writer. She spends as much time teaching and talking with kids as she does writing. She has published 28 books, mostly for children, and many of them co-written with her mother, Jane Yolen. Her newest solo book, COUNTING BIRDS (Quarto), made the NSTA Outstanding Science and the Best STEM lists, won the John Burroughs Riverby Award, and was named a Green Earth Book Award honoree. Heidi lives in Hatfield, Massachusetts, next door to her mother, Jane.