In Enid Blyton's classic Secret Stories mystery always leads to adventure. Peggy, Mike, Nora and Jack have been invited to the kingdom of Baronia for the holidays!

In their friend Prince Paul's home, hidden away in the heart of the mountains, they stumble into their greatest adventure yet. Can the children defeat the robbers in the Secret Forest?

This titles was first published as The Secret of Killimooin in 1943.