""Red Ryder and the Mystery of the Whispering Walls"" is an exciting adventure novel written by R. R. Winterbotham. The story follows the young and daring Red Ryder, who finds himself embroiled in a mystery involving a strange and eerie house with whispering walls. With the help of his friend, Little Beaver, and his trusty horse, Thunder, Red sets out to uncover the secrets of the whispering walls and the mysterious figure who seems to be behind it...