Includes: Pacific Vortex. Red boards, dust jacket. Signed by Cussler on title page. [1983] * Iceberg. Blue boards, dust jacket. Endpapers replaced, library stamp on title page erased, tape repairs to jacket. Signed by Cussler on title page. [1975] * Mayday. Blue boards, dust jacket, slipcase. Still in publisher's shrinkwrap. [2004]. Together 3 volumes.