Space Wolves – The Wolf Within by Rob Sanders

A Great Hunt is over and the Space Wolves gather in the Fang to celebrate their victories and tell tall tales of their exploits. But one company has failed to return: that of the Great Wolf, Logan Grimnar. News of his death sends the Chapter on the hunt for the truth, with Ulrik the Slayer at their head. As they fight their way across the galaxy in search of their lord, the Space Wolves find a threat to the future of the Chapter itself.

This novel has been previously available in eight separate installments. The titles of the individual installments were: Feast of Lies, The Caged Wolf, Eye of the Dragon, Dark City, The Darkness of Angels, The Wolf Within, Scent of a Traitor and Wrath of the Wolf.

Read it because

It's an epic tale that gets to the heart of who the Space Wolves are. See Ulrik the Slayer and Krom Dragongaze in action for the first time in Black Library fiction as the action takes them from tau-held worlds to the fighting pits of Commorragh and into the Eye of Terror itself, where the Space Wolves will once again face their oldest foes...