Dead Space - CatalystDead Space Catalyst is a prequel to the Dead Space series, focusing on the ominous Black Marker. Set centuries before the main events of the series, this novel expands the lore established in Dead Space 2 and 3. Two hundred and fifty years in the future, mankind faces extinction. In a desperate bid to save humanity, Earthgov tampers with dangerous technology derived from the Black Markeran ancient alien artefact discovered on Earth eighty years prior.