The Mountain of Adventure

The book follows the adventures of Philip, Dinah, Lucy-Ann, Jack, and Kiki the parrot, who are sent on a holiday to Wales. They are staying in a cottage near the mountains, and they soon become curious about the strange noises and rumbling that they can hear coming from the mountain.
One day, the children decide to explore the mountain. They climb up to the top, and they discover a secret passage that leads into a hidden cave. Inside the cave, they find a mad scientist who is working on a plan to rule the world.
The children are determined to stop the mad scientist, and they set out to find a way to defeat him. They have many adventures along the way, and they learn a lot about courage, friendship, and teamwork.
In the end, the children succeed in stopping the mad scientist and saving the world. They return home from their holiday feeling proud of themselves, and they have many exciting stories to tell their friends and family.
The Mountain of Adventure is a thrilling and exciting adventure story that is sure to appeal to children of all ages. It is a classic Enid Blyton book that has been enjoyed by generations of readers.