Christine Lavelle is lecturer in horticulture and ecology at Writtle College, Chelmsford. She trained at the National Trust for Scotland, Threave School of Practical Gardening and the Royal Botanic Gardens in Kew where she developed an interest in organic gardening. Christine has worked in many different areas of horticulture and has held two head gardenerships. Michael Lavelle 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 prestigious gold medals in 1999 and 2003. He currently works as a senior lecturer in landscape management at Writtle College in Chelmsford. Ysanne Spevack is a leading light in the international organic movement.She is editor of www.organicfood.co.uk, the UK's premier organic food online magazine. Ysanne has written seven books about organic and real food,including the consumer bible 'Organic Cookbook', and Fresh & Wild Cookbookfor the retailers of that name. As an organic food and lifestyle specialist, she has written and broadcastedfor international clients, including Reuters, Rodale (USA), Organic Living and the BBC.