What is "darlah"

DARLAH (English title: 172 Hours on the Moon) is a 2008 sci-fi/ horror novel by Norwegian author Johan Harstad. The book was originally published in Norway on September 15, 2008 by Cappelen Damm, with an English language translation being published by Little, Brown in New York on July 10, 2012. Rights to DARLAH have also been sold to sixteen other countries: Denmark, Sweden, Finland, Iceland, Faroe Islands, France, the Netherlands, Germany, UK, Turkey, Bangladesh, Vietnam, Taiwan, South Korea, Mexico and Brazil. In 2008 Harstad's work on DARLAH won him a Brage Prize.