The Day The Gogglynipper Escaped

Farmer McDoogle has a very unusual farm. On his farm he doesn't keep chickens, cows or pigs. He doesn't grow potatoes or carrots. On his farm he keeps monsters! Diggle must use all of his expert monster knowledge, and a bag of smelly old socks, to find a missing Gogglynipper. Will he find the Gogglynipper before Farmer McDoogle finds out?