Leviathan (Paperback)

Leviathan by Darius Hinks.

Lieutenant Castamon of the Ultramarines senses an imminent Tyranid invasion threatening the fortress world of Regium. With the world’s citizens plagued by ominous dreams, Castamon leads a desperate counter-offensive to stop the Tyranids before they can unleash devastation. But facing a deadly and unpredictable foe, he must rally his forces to survive the oncoming annihilation.