NUMA 1 - Serpent
Cussler, Clive
NUMA 3 - Fire Ice
NUMA 7 - The Navigator
NUMA 8 - Medusa
Dirk Pitt 17 - Trojan Odyssey
Dirk Pitt 18 - Black Wind
Dirk Pitt 18 - Valhalla Rising
Dirk Pitt 4 - Raise The Titanic
Dirk Pitt 5 - Vixen 03
Dirk Pitt 7 - Deep Six
Dirk Pitt 9 - Treasure
Dirk Pitt 10 - Dragon
Dirk Pitt 11 - Sahara
Dirk Pitt 12 - Inca Gold
Dirk Pitt 13 - Shock Wave