; and The Tiny Seed. His best-known work, The Very Hungry Caterpillar, has been translated into seventy languages and sold over fifty-five million copies. In 2002, Eric and his wife, Barbara, cofounded The Eric Carle Museum of Picture Book Art (CarleMuseum.org) in Amherst, Massachusetts, a 40,000-square-foot space dedicated to the celebration of picture books and picture book illustrations from around the world, underscoring the cultural, historical, and artistic significance of picture books and their art form.