Jan Brett is an American author and illustrator known for her beautifully detailed children's books. She has created over 40 picture books, many of which feature animals and folklore. Her most famous works include The Mitten and The Hat, which showcase her unique artistic style and storytelling ability. Brett's illustrations often incorporate intricate borders and vibrant colors, drawing readers into her enchanting worlds. She has received numerous awards for her contributions to children's literature, making her a beloved figure among young readers and their families. Her books are celebrated for their engaging narratives and educational themes.