Austin The Cornish Miner enjoys his third adventure, this one taking him to a magical undersea world. A rescue, a sea serpent and friends including a 'Knocker' are all in wonder at what they discover

Austin The Cornish Miner embarks on an adventure taking him underground, through dangerous tunnels and out to sea. New friends emerge in the shape of sea serpents and Austin finds himself in a race to...

Austin knew the stories of magical creatures as well as anyone. 'Knockers' were grubby trolls that stand about two feet high, they wear old miners boots and tatty waistcoats and live on the pasty crusts...