Now considered a children's book classic, Guess How Much I Love You has sold more than 60 million copies worldwide and been translated into fifty-seven languages. The phrase "I love you to the moon and back" has itself taken on iconic stature, and the book is considered an essential title for any preschool or library bookshelf.

Anita Jeram is the illustrator of Guess How Much I Love You, the Guess How Much I Love You storybooks, and You're All My Favorites, all by Sam McBratney. She has also illustrated several books by Amy Hest, including Little Chick and a series about Sam and Mrs. Bear, as well as Skip to the Loo, My Darling! by Sally Lloyd-Jones. Anita Jeram lives in Northern Ireland.