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 around eighty children's books published in eleven different countries. These include the Whizzy Wheels series and extremely popular London range. Her illustrations have also appeared in magazines, on stationery and toys, and on children's furniture and clothes. Marion lives in Paris with her husband and young daughter.