Mike, Peggy and Nora are miserable living with their cruel uncle and aunt. Where else can they go? Their friend Jack has a secret...THE SECRET ISLANDA little island with sandy beaches, deep caves, shady trees - surely no one will find the four friends on the secret island?THE SECRET MOUNTAINA rescue mission that seems doomed to fail... Where is the secret mountain? Who are the strange people who live there? Then, the children are taken captive...