Karen D. Badger - Yesterday Once More
Karen D. Badger
The Black Guard
A. J. Smith
Long War (1)
The Descent
Jeff Long
Hadals (1)
The Midnight House
Alex Berenson
John Wells (4)
Undersea Quest
Frederik Pohl
Undersea Trilogy (1)
Undersea Fleet
Undersea Trilogy (2)
Undersea City
Frederik Pohl & Jack Williamson
Undersea Trilogy (3)