Nancy Springer is an American author known for her work in children's and young adult literature. She has written over 50 books, including the popular Enola Holmes series, which features the younger sister of the famous detective Sherlock Holmes. Springer's writing often combines mystery, adventure, and strong female characters. Born on July 5, 1933, in New Jersey, Springer has received several awards for her contributions to literature. Her stories frequently explore themes of identity and empowerment, making her a significant figure in contemporary fiction. In addition to Enola Holmes, she has written various fantasy and historical novels.