ISBN 978-0-9686046-1-8 (with former students of St. Mary’s) Waiting for the Macaws: And Other Stories from the Age of Extinctions – 2006 The Sixth Extinction: Journeys Among the Lost and Left Behind – 2006.
ISBN 978-0968604618 (mit früheren Studenten von St. Mary’s) Waiting for the Macaws: And Other Stories from the Age of Extinctions - 2006 The Sixth Extinction: Journeys Among the Lost and Left Behind - 2006.