Eric Carle is an acclaimed American author and illustrator best known for his children's book "The Very Hungry Caterpillar". The book has sold over 22 million copies and been translated into over 30 languages since its publication in 1969. Carle's illustrations are created using collage techniques with hand-painted papers. His books often include additional interactive elements like die-cut pages that engage children and teach them about nature, colors, numbers and more.