David Barnes is a school teacher, writer, illustrator and author of "Teaching with Trees: Linking Literacy and Environmental Education". He is based in Toronto, Canada. Susan Poizner is a writer, filmmaker and fruit tree care consultant. She is one of the founders of Ben Nobleman Park Community Orchard in Toronto and she is the director of the Toronto-based fruit tree care and consulting company Orchard People. For more information visit www.orchardpeople.com.