a Message Found Among the Private Papers of the Princess Vera Zarovitch;Being a true and faithful account of her Journey to the Interior of the Earth, with a careful description of the Country and its Inhabitants,their Customs, Manners and Government.
A small band of explorers--including the famed Dr. Goodwin, Ruth Ventnor, her brother Martin, and the scientific adventurer Alvin Drake--finds itself face to face with a sentient, collective intelligence composed of billions of living geometric metallic forms! Spawn of an alien race that moves among the stars, seeding their kind on likely planets, the metal being intends to replace all biological lifeforms on Earth.
The Empire of Toromon had finally declared war. The attacks on its planes had been nothing compared to the final insult-the kidnapping of the Crown Prince. The enemy must be dealt with, and when they were, Toromon would be able to get back on its economic feet.