The Whoomangs have returned! They have invaded the Earth! Those who know are considered crazy! How will the Earth be saved? And who are the Whoomangs? If you have read Farley's "The Radio Planet", you are aware of the Whoomangs. They reside on a continent on Venus where Myles Cabot, the Radio Man, Doggo, the Ant Man, and Quivven, the Golden Flame, landed, and each Whoomang has a "new soul". Well, at the conclusion of that book, Doggo and Quivven were still with the Whoomangs. They have now returned in this current book, and they are responsible for the invasion of the Earth. Follow the exploits of Assistant U.S. Attorney, Eliot Endicott and newspaper man Lawrence Larrabee as they try to unravel the mysterious happenings and disappearances in the United States, and uncover the plot of the Whoomangs.