Head Lopper & the island or a plague of beasts

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"The Head Lopper, Norgal, and the nagging severed head of Agatha Blue Witch arrive on the Isle of Barra to find it overrun with beasts; minions of the Sorcerer of the Black Bog. When Queen Abigail hires Norgal and Agatha to slay the Sorcerer, our heroes trek across the island relieving the horrors of their heads - and playing right into the hands of a master manipulator."--Back cover.