Medusa: NUMA Files #8

Zero Hour

Devil's Gate: NUMA Files #9

The Navigator: NUMA Files #7

Arkangel: A Sigma Force Novel

Crescent Dawn: Dirk Pitt #21

Havana Storm: Dirk Pitt #23

Treasure of Khan: Dirk Pitt #19

Arctic Drift: Dirk Pitt #20

Capture or Kill: 'In the world of black-ops thrillers, Mitch Rapp remains the gold standard' (Booklist)

A Darkness Returns