Jon Ardle is technical editor for the RHS magazine The Garden, specializing in bonsai and Japanese gardens. He is the author of two books on bamboos and grasses and lives in Peterborough.
Claire Arrowsmith is Principal Pratitioner for the Pet Behaviour Centre and a Full Member of the Association of Pet Behaviour Consellors. She is the author of Brain Games for Dogs, Correcting Bad Habits in Dogs and Instant Dog Training.
Gwen Bailey was the Head of Animal Behaviour for The Blue Cross, one of Britain's foremost animal welfare charities, for many years and also spent 15 years as Chairman of The Association of Pet Behaviour Counsellors. As well as lecturing at national and international conferences, Gwen also runs training courses for staff at animal charities around the world and is the owner of The Puppy School, establishing a network of professional, well-trained tutors across the UK. She is the author of several dog-training titles including Puppy School, What is my Dog Thinking?, The Rescue Dog and Choosing the Right Dog for You, all published by Hamlyn.
Harry Baker was for many years Fruit Officer at RHS Wisley, where he presided over 16 acres of fruit. He is an Associate of Honour of the RHS, a member of the fruit and vegetable committee and one of the country's best-known fruit experts. He lives in Hampshire.
Dr Peter Brough is an enthusiastic naturalist, conservationist and medical practitioner. His broad knowledge of natural history, gained over many years, includes a long experience of field botany both in Britain and Europe.
Moira C. Harris
Moira C. Harris is an award-winning editor and author. She was the editor of Horse Illustrated magazine and under her leadership it achieved the largest circulation of any equine publication in the US. Additionally, she has written seven books on horse breeds, horse care and riding, and has been involved with horses for 30 years. She has ridden in various disciplines including Western, endurance and dressage, and currently competes in showjumping.
Dr Christopher Day
Christopher Day is founder of the Alternative Veterinary Medicine Centre. He is a holistic vet with over 37 years of experience in practice. Christopher specializes in natural therapies including herbs, homeopathy, acupuncture and ultrasound, together with natural nutritional advice. He has written 13 pet care books.
Dominic Couzens is a leading nature writer and lecturer in the UK. He has been writing about wildlife for over 20 years and is the author of several successful books including The Pocket Guide to Garden Birds. Dominic has appeared on BBC television and regularly contributes to leading magazines including BBC Wildlife Magazine, Birdwatching and Birds.Location: Dorset, UK.
Caroline Davis is a freelance pet writer and the author of numerous pet-care books, including Cat Basics and Puppy Taming, part of Hamlyn's All Colour Petcare series.Location: Spalding, Lincolnshire.
Dr Bruce Fogle
Dr Bruce Fogle DVM MRCV is the world's best-selling practising vet, and is internationally renowned for his expertise in animal health and behaviour. After graduating from Ontario Veterinary College in Canada, he pursued post-graduate training at London Zoo before establishing a highly respected veterinary practice in west London. Dr Fogle lectures worldwide, broadcasts frequently on radio and television, and contributes to national magazines and newspapers. He is the author of numerous best-selling titles on dog care, behaviour, physiology and history including the RSPCA Complete Dog Training Manual, the New Encyclopedia of the Dog, and New Dog.
Clare Foster is Garden Editor at Home & Garden magazine and a freelance garden journalist. She spent 10 years at Gardens Illustrated magazine, latterly as Editor, and has written three books: From Bud to Seed: Perennials and From Bud to Seed: Annuals (Conran Octopus 2001) and Compost (Cassell Illustrated 2002). After having her own allotment in West London for many years she has recently moved to the countryside to expand her vegetable plot. Author lives: Oxfordshire, England
Diarmuid Gavin owns his own garden design business, designing and creating bespoke gardens for both private and commercial clients. He won 2 Gold medals at the Royal Dublin Society and subsequently exhibited at RHS Chelsea 3 times, winning Silver Gilt in 2004 for his Contemporary Suburban Garden.He has been a regular face on television since the pioneering series Home Front with Laurence Llewellyn-Bowen in the late 1990s; a regular slot with Alan Titchmarsh presenting Chelsea and many hit series in his native Ireland. Most recently he has starred to huge acclaim in Rich, Famous and Unemployed and in 71 Degrees North. Diarmuid has written 6 books on garden design including two with Sir Terence Conran.
Bob Gibbons has been actively involved in the field of natural history for many years. He worked for the Nature Conservancy Council for seven years before becoming a freelance writer and photographer, specializing in wildlife and travel. He has travelled extensively in Europe while studying wild flowers, and now leads wildlife tours to many regions of Europe.
Diana Grenfell is a writer and international lecturer on hostas, daylilies, and other horticultural topics. She was a co-founder of the British Hosta and Hemerocallis Society and lives in London.
Vicky Halls is an acclaimed Pet Behaviour Counsellor with many years experience of treating behavioural problems in cats both in the UK and abroad. She is also an international bestselling author of several cat behaviour books. In 2008 Vicky was voted as the 'Nation's Favourite Cat Author' by the readers of 'Your Cat' Magazine. The Secret Life of your Cat is Vicky's first fully-illustrated title.Location: Canterbury, Kent.
Sarah Heath is an Honorary Lecturer in small animal behavioural medicine at Liverpool University Veterinary school and President of the European Society for Veterinary Clinical Ethology. She is also a founder and former President of the European College of Veterinary Behavioural Medicine (Companion Animals). She lectures extensively at home and abroad on behavioural topics and has written several books on feline behaviour.
The late Terry Hewitt grew cacti and succulents for more than 40 years. He owned and ran the Holly Gate Cactus Nursery and Holly Gate Cactus Garden in Ashington, West Sussex.
Kim Houston BSc (Hons), Dip (AS) CABC, CCAB is a consultant in feline behaviour. She graduated from Liverpool John Moores University with a First Class honours degree in Applied Psychology before gaining a Postgraduate Degree in Companion Animal Behaviour Counselling from the University of Southampton. Kim is a full member of the Association of Pet Behaviour Counsellors (APBC) and is also accredited through the Association for the Study of Animal Behaviour (ASAB) as a Certified Clinical Animal Behaviourist. She is one of the only cat behaviour specialists in the UK, and regularly contributes to magazines, the national press and TV. Kim owns and runs cat-astrophes.com, a cat behaviour consultancy, and works with clients worldwide helping to resolve cat behaviour problems by taking a holistic-, positive- and education-based approach. In most cases, behaviour can be successfully modified and she has prevented many cats from being euthanized or rehomed as well as improving the relationship of countless cats and their owners.When not consulting, she volunteers her services to Cats Protection in her local area, providing rehoming advice and addressing behaviour issues in rescue cats and kittens.
Per José Karlén
Per José Karlén is a young Swedish illustrator and animator who has a long, long list of awards to his name, including the Quentin Blake Narrative Illustration Award. His wickedly funny and individual work appeals to both adults and children alike, and his freelance work includes everything from children's books to illustrations for The Times, The Independent and for Royal Mail.
Best-known as co-presenter of BBC TV's "Gardeners' World", Carol Klein is an internationally renowned gardener. Marchester-born Carol moved to Devon in the late 1970s with her two daughters. She started propagating plants because she couldn't afford to buy the ones she wanted for her own garden. Friends suggested she sell the spares, so Carol opened a stall in the local market, and eventually she opened her own nursery which is now a thriving business. Carol has designed four commercial show gardens at Chelsea, won five Cheslsea gold medals. Carol has presented several gardening shows since her television debut on Gardeners' World in 1989, including Garden Party, Wild About the Garden and Real Gardens. Carol also writes regularly for Gardeners World magazine, House & Garden and is a frequent contributor to the Daily Telegraph Gardening section.