What an excellent idea for a book!
With Earth left in shambles by the Martian invasion, Queen Victoria’s daughter Louise must lead the world through a dire emergency: The Martians are coming back.First she must rescue Cavor from his prison on the Moon in order to build a defense fleet. Even with Cavor their efforts would be for nothing without the genius of Nikola Tesla leading the way. And on Mars, unexpected allies fight a rearguard action to help Earth. Meanwhile the Time Traveler repeatedly appears, but is he friend or foe?