"Ragnar's Claw" by William King is a 2004 mass market paperback novel set in the Warhammer 40000 universe, specifically the Space Wolf series. Published by Games Workshop in the United Kingdom, this science fiction and fantasy novel spans 266 pages and is written in English. The story follows the adventure of the character Ragnar in the gritty and action-packed world of Warhammer 40K, combining elements of science fiction, space opera, and general fiction to create an immersive and engaging reading experience for fans of the genre.