Dr Susanna Lyle has been involved in both the practical and academic study of plants and soils for over 25 years. She has taught horticulture, plant science and garden design, and planned and planted many private and community woodlands and gardens, along with editing a range of scientific and educational books and journals. After travelling in many countries, during which she was a keen observer of food plants in many climates and locations, she settled in Northland, New Zealand.