Derek Vesper · #6

Lethal Terrain

Jack Mars

Spy Thriller Suspense Thriller Mystery Thriller
8.0 / 10
1 expectation

When a deep-sea research station goes silent, Derek Vesper descends into the crushing depths in a mini-submarine. What he finds is no accident—eco-terrorists have seized control and are planning to trigger an artificial tsunami. With communications jammed and oxygen limited, the clock is ticking on mankind's deadliest underwater chase.

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Published
July 13, 2026
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Derek Vesper

The series

Full series details →
#1 · 2026Lethal Force #2 · 2026Lethal Strike #3 · 2026Lethal Command #4 · 2026Lethal Target #5 · 2026Lethal Mission #6 · 2026Lethal Terrain #7 · 2026Lethal Precision #8 · 2026Lethal Deception #9 · 2026Lethal Gambit #10 · 2026Lethal Justice #11 · 2026Lethal Judgment #12 · 2027Lethal Reckoning
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