19 books • 4 series
Book #1: Submerged
Book #2: Shattered
Book #3: Stranded
Book #4: Silenced
Book #5: Sabotaged
Book #1: Cold Shot
Book #2: Still Life
Book #3: Blind Spot
Book #4: Dead Drift
Book #1: The Killing Tide
Book #2: The Crushing Depths
Book #3: The Deadly Shallows