David Alderton is a writer and podcaster specializing in dogs and other pets whose books have sold over 7 million copies worldwide in 31 languages. His previous publications include the best-selling Eyewitness Handbook: Dogs, The Dog Selector, The Dog Decoder, and Dogs. David has been awarded the prestigious Maxwell Medallion by the Dog Writers Association of America, and his television credits include Thank You, Mr. Cruft, celebrating the centenary of the world-famous dog show. He has also acted as a consultant on dog-related programs produced by Discovery and National Geographic.

Peter Warner (1939–2007) was an artist and illustrator who specialized in landscape and animal drawing, especially cat portraiture. He illustrated many books, including Perfect Cats. He is also known for creating the iconic cat portraits used to promote the cat food brands Whiskas and Friskies.