Professor Von Hardwigg believes there are volcanic tubes going toward the center of the Earth. He, his nephew Axel, and their guide Hans encounter many adventures, including prehistoric animals and natural hazards, eventually coming to the surface again in southern Italy.
A Barsoom Story (7) The tale of Tan Hadron of Hastor, a lowly, poor padwar (a low-ranking officer) who is in love with the beautiful, haughty Sanoma Tora, daughter of Tor Hatan, a minor but rich noble. As he is only a padwar, Sanoma spurns him. Then Sanoma Tora is kidnapped...
Imperium (2) The Carthaginians are marching to destroy Rome and it is up to Ky, a test pilot from the future thrown into an alternate past, to keep the once mighty Roman Empire from being destroyed. As Ky gathers Roman and Caledonian forces together to form a new Britannic Empire to defend against the Carthaginian host, he must also struggle to contend with a malfunctioning AI implanted in his brain that is slowly gaining sentience. Thankfully, Ky is not alone.
A Barsoom Story (6) On Mars, Paxton is taken in by elderly mad scientist Ras Thavas, the "Master Mind" of the title, who educates him in the ways of Barsoom and bestows on him the Martian name Vad Varo. Ras has perfected techniques of transplanting brains, which he uses to provide rich elderly Martians with youthful new bodies for a profit. Distrustful of his fellow Martians, he trains Paxton as his assistant to perform the same operation on him.
A Barsoom Story (9) Synthetic Men introduces a completely new character as its protagonist: Vor Daj, a warrior from Helium and a member of John Carter's personal guard
A Barsoom Story (3) John Carter discovers that a First Born knows the secret of the Temple of the Sun and he and the Holy Hekkador Matai Shang want to rescue the Holy Thern's daughter, who is imprisoned with Dejah Thoris and another Barsoomian princess, Thuvia of Ptarth. John Carter follows them in the hope of liberating his beloved wife.
A story set in the Post Sickness world of Phoenicia
It has finally happened: Terrorists have unleashed an unstoppable virus upon the world. Only a very small percentage of humanity has survived. Gavin Thompson, unsatisfied with the prospect of just surviving makes plans to restore civilization as quickly as possible. This is his story. (This version is a bit longer and slightly modified from the version on SOL)
Sequel to "Masi'shen Stranded" -- Michael Hawthorne and Dee'rah evolve to become ambassadors seeking to link two worlds across the galaxy. Earth recognizes the chance for global peace, but a corrupt American president threatens them all with nuclear nightmare as a ploy to rule the nation. Old enemies become allies, and old alliances fall apart. Will humankind survive to achieve a future in the stars?
Imperium (4) The Tide Turns. Britannia is finally free from Carthaginian rule. Now it is up to Ky, a test pilot from the far future and current Consul of the new Britannic Empire, to take the fight to the Carthaginian Empire. The continent, with its vast resources and manpower, awaits. However, it takes more than new weapons to turn an ancient army based around heavy infantry into one out of the Napoleonic era.