The Deathworld Trilogy by unknown author

Men Against the Sea [Part Two of the Bounty Trilogy] by unknown author

The Deathworld Trilogy by Harry Harrison Berkley Medallion Good

Into the Bright Unknown (Gold Seer Trilogy, 3) by Carson, Rae

The Deathworld Trilogy by Harry Harrison HC/DJ BCE Science Fiction Acceptable

Unknown 9: Revelation: Book Two of the Genesis Trilogy by Green, Layton

Men Against the Sea [Part Two of the Bounty Trilogy] by unknown author

Into the Bright Unknown (Gold Seer Trilogy, 3) by