"The Penderwicks" is a children's novel written by Jeanne Birdsall. It follows the adventures of the four Penderwick sisters—Rosalind, Skye, Jane, and Batty—during their summer vacation at a beautiful estate called Arundel. The story captures their close bond and imaginative escapades as they explore the grounds and meet new friends. The sisters encounter Jeffrey, the son of the estate's owner, and together they embark on various adventures. The book highlights themes of family, friendship, and the joys of childhood, making it a beloved read for young audiences and families alike.