Shadowrun Dawn of the Artifacts Darkest Hour is a trade paperback book published by Inmediares Productions in 2010. It is a work of fiction belonging to the Games & Activities genre, written by Catalyst Game Labs Staff. The book is 48 pages long and is written in English. It is a role-playing book with a video and electronic topic. The book measures 11 inches in length and 8.5 inches in width.