Of the Devil's Head in the Valley Perilous. And of the Customs of Folk in diverse Isles that be about in the Lordship of Prester John
Beside that Isle of Mistorak upon the left side nigh to the river of Pison is a marvellous thing. There is a vale between the mountains, that dureth nigh a four mile. And some men clepe it the Vale Enchanted, some