21 books in series

NUMA Files

NUMA Files is a 21-book series with 21 released primary works first released in 1995 with contributions by Clive Cussler, Paul Kemprecos, Clive Cussler with Paul Kemprecos, Graham Brown, and Graham Brown.

Serpent
Oro blu
Fire Ice
White Death
Lost City: A Novel From The Numa Files
Polar Shift (NUMA Files, #6)
The Navigator
Medusa
Devil's Gate
The Storm
Zero Hour
Ghost Ship
Faraon salaisuus
Nighthawk
The Rising Sea
Sea of Greed
Journey of the Pharaohs
Fast Ice
Cover 1

Clive Cussler's Dark Vector

Clive Cussler's Condor's Fury
Clive Cussler Desolation Code