Isilwen is a short story by Berta M Martín published in 2012. It tells the story of a woman named Isilwen who lives alone in a small house in the woods. One night, she hears strange noises outside and discovers something unexpected lurking in the darkness. In just a few sentences, the summary introduces the author, year of publication, main character, setting, and a hint of intrigue without revealing too many details from the original text.