Like The Begum's Millions, which Verne published in 1879, it has the theme of France and the entire world threatened by a super-weapon (what would now be called a weapon of mass destruction) with the threat finally overcome through the force of French patriotism.

Latest episodes of the podcast Facing the Flag by Jules Verne

• 01 - Healthful House
• 02 - Count D'Artigas
• 03 - Kidnapped
• 04 - The Schooner Ebba
• 05 - Where Am I? (Notes by Simon Hart, the Engineer)
• 06 - On Deck
• 07 - Two Days at Sea
• 08 - Back Cup
• 09 - Inside Back Cup
• 10 - Ker Karraje
• 11 - Five Weeks in Back Cup
• 12 - Engineer Serko’s Advice
• 13 - God Be with It
• 14 - Battle Between the “Sword” and the Tug
• 15 - Expectation
• 16 - Only a few more Hours
• 17 - One against Five
• 18 - On Board the “Tonnant”