The fifth exciting installment in Enid Blyton's Adventure series
Surely a peaceful holiday in the Welsh mountains will keep the children out of trouble. But the mystery of a rumbling mountain soon has them thirsty for more adventure. Philip, Dinah, Lucy-Ann, Jack, and Kiki the parrot are determined to explore the mountain and uncover its secret, but first they must escape from a pack of ravenous wolves and a mad genius who plans to rule the world.
About the Author
Enid Blyton, who died in 1968, is one of the most popular and prolific children's authors of all time. She wrote more than 700 books, which have been translated into many languages throughout the world.