Arabella is now a hero, but her new status brings attention that could threaten all she holds dear, in this final cosmic adventure.Finally and truly husband and wife, Arabella Ashby and Capt. Prakash Singh are lauded as heroes in England after defeating Napoleon at the Battle of Venus. When they are invited to the Brighton palace of His Royal Highness the Prince of Wales, a Martian- and Venusian-inspired architectural marvel, the mechanically-bent Arabella finds herself drawn to the prince's steam-powered Merlin chair and two-wheeled Draisine.But the Prince has motives other than mere entertainment for their visit. He offers Singh a great opportunity, divulged under a cloak of secrecy. In his dual role of captain and spy, Singh will be sent to Mars to help bring the planet under British control, a mission that will pit Arabella's love and loyalty for her home against the most powerful realm in the universe.