Marion Billet was born in 1982 in Lyon, France and studied children's book illustration at the Emile Cohl School. Marion is widely published, with over eighty children's books published in eleven different countries. These include the Whizzy Wheels series and extremely popular London range for Campbell Books. Her illustrations have also appeared in magazines, on stationery and toys, and on children's furniture and clothes. Marion currently lives in Los Angeles with her family.