""The Pony Rider Boys in the Ozark or The Secret of Ruby Mountain"" is a classic adventure novel for young readers written by Frank Gee Patchin. The book follows the adventures of a group of boys, known as the Pony Rider Boys, as they embark on a journey to explore the Ozark Mountains. Along the way, they encounter a mysterious mountain known as Ruby Mountain, which holds a secret that the boys are determined to uncover. The boys face many challenges...