Christine Lavelle is a lecturer in horticulture and ecology at Writtle College, Chelmsford, in England. She trained at the National Trust for Scotland's Threave School of Practical Gardening and the Royal Botanic Gardens in Kew where she developed an interest in ecology and organic gardening, carrying out research projects to encourage beneficial insects within ornamental gardens. Christine has worked in many different areas of horticulture and has held two head gardenerships at Askham Bryan College in York and Otley College in Suffolk. She is currently researching insect visitation to garden ornamentals Michael Lavelle is a committed environmentalist and a firm believer that nature provides the best model for any garden design. A keen observer of nature since his childhood in Lancashire, England, he believes that this natural model combined with a commonsense approach to horticulture is the key to organic success. Michael studied horticulture at Askham Bryan College in York and environmental management at Wye College in Kent. He worked as a professional landscaper before starting a career as a horticultural lecturer in the early 1990s. Michael has designed and constructed several educational exhibits at the Chelsea Flower Show, achieving the prestigious gold medal in 1999. He currently works as a senior lecturer in landscape management at Writtle College in ChelmsfordLavelle, Christine is the author of 'Organic Gardening A Practical Guide to Natural Gardens, from Planning and Planting to Harvesting and Maintenance' with ISBN 9780754811534 and ISBN 0754811530.