Mark Bryant has written/compiled a number of books on pets including It's a Dog's Life: A Canine Cartoon Collection (1991, Foreword by Jilly Cooper) - featuring the best of the entries for the Dog Cartoonist of the Year Awards - which was published to mark the centenary of the National Canine Defence League (now the Dogs Trust), with all royalties going to the charity. Other books include The Church Cat: Clerical Cats in Stories and Verse (1997); Cat Tales for Christmas (1993); The Artful Cat: A Tribute with 60 Portraits (1991); The World's Greatest Cat Cartoons (1993); The Complete Lexicat: A Cat Name Companion (1992); CATS: An Anthology of Stories and Poems (2016) and Casanova's Parrot and Other Tales of the Famous and Their Pets (2002). In addition, he is the author of Constable: A Brief History of Britain's Oldest Independent Publisher (2010) and other books. His family's much-loved canine companions have included a golden retriever and a short-haired terrier. He lives in London.