Step into the thrilling world of Olga Romanoff, a 1894 science fiction novel by the English author George Griffith. Originally published as The Syren of the Skies in Pearsons Weekly, this captivating tale continues the saga from The Angel of the Revolution. It chronicles the daring exploits of a global brotherhood of anarchists wielding extraordinary airships in their quest for freedom, culminating in a breathtakingly apocalyptic finale as a comet hurtles toward Earth. - Summary by Wikipedia