Keraban the Inflexible: Adventures in the Euxine — Jules Verne

Keraban is determined not to pay the tax required to cross the Bosphorus by boat, so he journeys by land around the Black Sea. There is a fundamental mistake in dividing Verne's works into science fiction vs. non-science fiction -- in Verne's work there is an all-encompassing vision of science, progress, society and political struggles, which it is not convenient to compartmentalize.