In a galaxy riven by eternal war, they and the other armies of the Imperium are all that stand between mankind and damnation.Their ship damaged by warp storms, the Ultramarines of strike force Cassian make for Kalides Prime. They hope to find safe harbour to repair their craft before rejoining the Indomitus Crusade. Instead, the Primaris Space Marines discover a world reduced to rot and ruin by the plague-ridden warriors of the Death Guard.Also within this book is a host of awesome short stories to give you a flavour of the many warring armies that exist within the worlds of Warhammer 40,000The Lightning Tower by Dan AbnettYarrick: Sarcophagus by David AnnandaleExtinction by Aaron Dembski-BowdenA Sanctuary of Wyrms by Peter FehervariThe Purity of Ignorance by John FrenchThe Word of the Silent King by L.J. GouldingThe Lost King by Robbie MacNivenCulling the Horde by Steve ParkerThe Zheng Cipher by Josh ReynoldsRed & Black by James SwallowHonour of the Third by Gav ThorpeHowl of the Banshee by Gav Thorpe