Against the Tide of Years
S. M. Stirling
Island in the Sea of Time (2)
Flood Tide
Clive Cussler
Dirk Pitt (14)
Interstellar Patrol II-The Federation of Humanity
Eric Flint & Christopher Anvil
Interstellar Patrol (2)
Not to Mention Jack
Charles Anders
Eden Burning
Niall Teasdale
Fox Meridian (7)