- E-bookThe Dragon Queen of VenusEdwin Balmer and William MacHarg
- E-bookThe Raid from MarsEdwin Balmer and William MacHarg
- E-bookThe Star KillersEdwin Balmer and William MacHarg
- E-bookEnchantress of VenusEdwin Balmer and William MacHarg
- E-bookThe Beast-Jewel of MarsEdwin Balmer and William MacHarg
- E-bookTerror Out of SpaceEdwin Balmer and William MacHarg
- E-bookOutpost on IoEdwin Balmer and William MacHarg
- E-bookThe Blue BehemothEdwin Balmer and William MacHarg
- E-bookThralls of the Endless NightEdwin Balmer and William MacHarg
- E-bookBlack Amazon of MarsEdwin Balmer and William MacHarg
- E-bookThe Ungrateful HouseEdwin Balmer and William MacHarg
- E-bookThe Mummy of Ret-SehEdwin Balmer and William MacHarg
- E-bookThe Stellar LegionEdwin Balmer and William MacHarg
- E-bookA World is BornEdwin Balmer and William MacHarg
- E-bookThe Bird MasterEdwin Balmer and William MacHarg
- E-bookDeath RayEdwin Balmer and William MacHarg