David Alderton is an international best-selling authority on pets and their care. His books have sold over millions of copies worldwide and are available in many languages. He is the former chairman of the National Council for Aviculture, and has been breeding birds for over 40 years. A contributor to a wide range of general and specialist publications, David has appeared on television and writes regularly on his website www.pethouseclub.com and as a consultant to the pet industry.