"Guess How Much I Love You" is a children's book written by Sam McBratney and illustrated by Annie Dalton. The story features a little hare and a big hare who express their love for each other in increasingly larger comparisons. The book emphasizes the theme of love and affection in a simple, relatable manner. The narrative unfolds as the little hare tries to measure his love, saying he loves the big hare "to the moon." The big hare responds with even greater expressions of love, creating a heartwarming dialogue. This charming tale has become a beloved classic for families and children worldwide.