THE BRAND NEW York Times and USA Today bestselling series

They dive so humanity survives. Right now they take to the sea.

In the fourth installment of the Hell Divers series, the Sea Wolf sets out to search for the Metal Islands. Leading the expedition is famous Hell Diver Xavier Rodriguez. After long lasting for a decade around the poisoned surface area, his survival abilities will be put towards the test for the dangerous open seas.

But storms, sea monsters, and the cannibalistic Cazadores aren’t the just threat to X and his small crew. Their mission will uncover hard truths about the history of the battle that still left humankind stranded in the air flow for centuries. As well as the fate of those still living in the airships might perfectly rest upon this fragile and perilous journey to discover a new home.