Dr. Susanna Lyle has been involved in both the practical and academic study of plants and soils for over 25 years. She has a PhD in plant and soil science from Exeter University as well as a National Certificate in Horticulture from Pershore College. She has also taught horticulture, plant science and garden design, and planned and planted many private and community woodlands and gardens. She has edited a range of scientific and educational books and journals and is the author of the companion volume to this book, Discovering Fruit & Nuts, published in 2006. After observing food plants in many climates and locations, she settled in Northland, New Zealand, where she continues to read and study, grow, photograph and paint as many of them as she can.