Echtrai - A Collection of DreamWalker Stories
An Echtra or Echtrae (pl. Echtrai) is one of a category of Old Irish literature about a hero's adventures in the Otherworld (see Tír na nÓg and Mag Mell); the otherworldly setting is the distinctive trait of these tales. More generally, echtra was the Old Irish word for "adventure", the Modern Irishword is eachtra.