This week we're roaming around the borderlands, where towns and cities meet the wild. Miriam Nash pulls up a seat at the fire with the Nine Mothers of Heimdallr. Leonardo Boix leaves gifts of rum and cigars for the forest-dwelling spirit Pombero, Señor De La Noche. The story of Baucis and Philemon teaches Nick Garrard to be kind to strangers, just in case they're vengeful gods in disguise.