- EbookVenus and the Sea PeopleHenry Hallan
- EbookHermes and the Sea PeopleHenry Hallan
- EbookHermes and the Sea PeopleHenry Hallan
- EbookJove and the Sea PeopleHenry Hallan
- EbookMars and the Sea PeopleHenry Hallan
- EbookVenus and the Sea PeopleHenry Hallan
- EbookEuropa's CrossingHenry Hallan
- EbookSaturn and the Sea PeopleHenry Hallan
- EbookTo Sail AtlantisHenry Hallan
- EbookSeries: The Fall of the Sea PeopleHenry Hallan