- eBookThe Dragon Queen of VenusEdwin Balmer and William MacHarg
- eBookThe Raid from MarsEdwin Balmer and William MacHarg
- eBookThe Star KillersEdwin Balmer and William MacHarg
- eBookEnchantress of VenusEdwin Balmer and William MacHarg
- eBookThe Beast-Jewel of MarsEdwin Balmer and William MacHarg
- eBookTerror Out of SpaceEdwin Balmer and William MacHarg
- eBookOutpost on IoEdwin Balmer and William MacHarg
- eBookThe Blue BehemothEdwin Balmer and William MacHarg
- eBookThralls of the Endless NightEdwin Balmer and William MacHarg
- eBookBlack Amazon of MarsEdwin Balmer and William MacHarg
- eBookThe Ungrateful HouseEdwin Balmer and William MacHarg
- eBookThe Mummy of Ret-SehEdwin Balmer and William MacHarg
- eBookThe Stellar LegionEdwin Balmer and William MacHarg
- eBookA World is BornEdwin Balmer and William MacHarg
- eBookDeath RayEdwin Balmer and William MacHarg
- eBookThe Bird MasterEdwin Balmer and William MacHarg