He establishes that the events surrounding Around the World in Eighty Days are actually a singular aspect of a greater conflict taking place between two immortal alien races, the Eridani and the Capellas.
Farmer's story does not challenge any of the elements of the original text, but rather it adds an ambitious secondary tale taking place behind (and often in between) the scenes of Verne's material.
Although witnesses feel that his claim is little more than the boasting of a rich eccentric, Fogg is in fact undertaking a secret mission on behalf of his Eridanian colleagues.
The journey climaxes with a final battle at Fogg's home in London, mere moments before meeting the deadline required to win his world-spanning wager.
Starr exhaustively details the irreconcilable inconsistencies that take place within Verne's Twenty Thousand Leagues Under the Sea, and its companion novel, The Mysterious Island (which likewise features the character of Captain Nemo).