Iona Opie (1923-2017) was considered the world's leading expert on children's lore and literature. She edited many acclaimed books, including I Saw Esau, illustrated by Maurice Sendak. Of Mother Goose's Little Treasures, she said that the rhymes "are the most mysterious fragments from our shared memory: long-ago laughter of little meaning and echoes of ancient spells." Rosemary Wells is a well-loved and prolific creator of picture books with a career that spans more than thirty years. Her books include the famed Mother Goose anthologies and Felix and the Worrier. She lives in Connecticut.