Deathwatch: Ignition Series by Ben Counter, Steve Lyons

Tracking his prey through the verdant jungle, Edryc Setorax strikes from the shadows like a phantom. Under the command of the xenos-hating Inquisitor Gravelyn, the Raven Guard veteran is scouting the movements and command structure of eldar exodite forces, trying to ascertain what their mysterious goals might be... moreTracking his prey through the verdant jungle, Edryc Setorax strikes from the shadows like a phantom. Under the command of the xenos-hating Inquisitor Gravelyn, the Raven Guard veteran is scouting the movements and command structure of eldar exodite forces, trying to ascertain what their mysterious goals might be. But by using his own Deathwwatch kill team as bait, Setorax stumbles upon a much larger struggle, and realises that his own reputation amongst the eldar has become almost the stuff of alien legend… Read it because It's the tale of a sneaky and stealthy Raven Guard who's not above risking the lives of his Deathwatch team for the good of the mission less

Tales of eleven heroes of the Deathwatch, brought together to form the kill team that will face monstrous aliens in a deadly mission.The Deathwatch is the ultimate weapon against the myriad alien races that threaten the Imperium of Man. Drawn from many Chapters of the Adeptus Astartes, the elite members of a kill team come together to form a lethally efficient squad of warriors capable of cleansing entire worlds of xenos infestation and corruption.. moreTales of eleven heroes of the Deathwatch, brought together to form the kill team that will face monstrous aliens in a deadly mission.The Deathwatch is the ultimate weapon against the myriad alien races that threaten the Imperium of Man. Drawn from many Chapters of the Adeptus Astartes, the elite members of a kill team come together to form a lethally efficient squad of warriors capable of cleansing entire worlds of xenos infestation and corruption... As Chaplain Ortan Cassius becomes entangled in the insidious Ghosar Enigma, he turns to the legends of the Deathwatch to find the most worthy of his brethren. The Space Marines that will go on to form Kill Team Cassius have faced diverse and deadly challenges at every turn – each has his own story, each harbours his own resentment of the foe, and each has his own method of ensuring its ultimate destruction. less