Sam McBratney won the Bass Ireland Arts Prize and the Bisto Award, twice. As well as writing Guess How Much I Love You, he is also the author of the bestselling You're All My Favourites. He lives in Ireland. Anita Jeram is the highly acclaimed illustrator of Guess How Much I Love You and You're All My Favourites. She also wrote and illustrated I Love My Little Storybook. She lives in Ireland.