The Mountain Of Adventure by Enid Blyton

In this thrilling tale, four adventurous children, Philip, Jack, Dinah, and Lucy-Ann, along with their trusty parrot Kiki, find themselves on an unexpected journey to a mysterious mountain. What begins as a simple holiday soon turns into a gripping adventure as they uncover a secretive scientific experiment hidden within the mountain's depths. As they delve deeper, they encounter strange happenings and face dangerous situations, all while trying to outwit the sinister forces at play. With courage and teamwork, the children strive to unravel the mystery and ensure their own safety in this captivating story of exploration and bravery.