The Rockingdown Mystery by Enid Blyton is a classic children's mystery novel. Roger, Diana, and Snubby are sent to stay with their governess, Miss Pepper, in the sleepy village of Rockingdown. At first, they think their summer will be dull, but then they meet Barney, a circus boy, and his mischievous monkey, Miranda. Together, they uncover a series of strange happenings at the mysterious Rockingdown Hall. With the help of their new friends, the children must solve the mystery of the missing jewels and the strange noises in the night. Along the way, they learn about friendship, teamwork, and the importance of never giving up.