The NUMA (R) Files

Kurt Austin is the head of the U.S. National Underwater and Marine Agency's (NUMA) Special Assignments Team - a job that ensures he is no stranger to danger above or below the waves.

Trade Paperback Serpent and Blue Gold (never released in Hardcover in the US)
Trade Paperback Serpent, Blue Gold, Fire Ice and White Death 
(Never released in the UK in hardcover

Lost City was released in two covers, both first editions

At the Clive Cussler Convention 2012 in Scottdales Arizona, I received the original script as used by Scott Brick to record the Audio Book on CD, The cover page of the script is signed by Clive Cussler, Graham Brown and Scott Brick

Among my collection I have many Dust Cover Proofs, the cover below was never used on any of the Ghost Ship Editions

Ghost Ship - the first editions comes in two different colored boards