For #Halloween / #Samhain, maybe enjoy a translation of one of the earliest "Ghost Stories" of this day, Eachtra Nera:
https://www.ucc.ie/en/media/academic/seanmeanghaeilge/cdi/texts/Meyer-Echtra-Nerai.pdf
Nera, a warrior in Medb and Aillil's court, takes a dare to go out on Samhain night, and finds himself on a journey with a dead man and lost in the Otherworld. A genuine classic.