Hairy Mole and the precious islands

"Yet again, Hairy Mole and his terrifyingly cut-throat pirate crew take to the high seas - this time to rescue cousin Furry Mole from the clutches (and the knives and forks) of three outrageously wicked witches. On the way they discover stones that smell of Brussels sprouts, football-playing cockroaches and a crystal cavern guarded by something with really smelly breath"--Back cover.