A mildewed diary discovered in an abandoned cabin mark the beginning of a very personal missing persons case for Constable Petra 'Piitalaat' Jensen.The Invisible Thread is the twenty-third in the Greenland Missing Persons series of novellas and novels set in the harsh, unpredictable Arctic, rich in tradition, myth and culture.The Invisible Thread continues the adventures of Constable Petra 'Piitalaat' Jensen, ably assisted by interesting characters, together with a few familiar faces making cameo appearances in the series.The Greenland Missing Persons stories are set prior to The Ice Star and Seven Graves, One Winter.Pick up your copy of The Invisible Thread and continue the search for Greenland's missing persons today!