The Mountain of Adventure (Adventure #5) by Enid Blyton

Format : Paperback 

Condition : New nut minor dirty 

Genre : Adventure 

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.

Determined to explore the mountain and uncover its secret, they must escape from a pack of ravenous wolves and a mad genius who plans to rule the world!