6CHAPTER V ORTOL
20CHAPTER XIX THE BATTLE OF EARTH
7CHAPTER VI THE SECOND MOVE
21CHAPTER XX DESTRUCTION
8CHAPTER VII WORLD 3769-37,478,326,894,6, TALSO
22CHAPTER XXI THE POWER OF "THE THOUGHT"
9CHAPTER VIII UNDEFEATABLE OR UNCONTROLLABLE?
23CHAPTER XXII THETT
10CHAPTER IX THE IRRESISTIBLE AND THE IMMOVABLE
24CHAPTER XXIII VENONE
11CHAPTER X IMPROVEMENTS AND CALCULATIONS
25CHAPTER XXIV THETT PREPARES
12CHAPTER XI "WRITE OFF THE MAGNET"
26CHAPTER XXV WITH GALAXIES IN THE BALANCE
13CHAPTER XII SIRIUS
27CHAPTER XXVI MAN, CREATOR AND DESTROYER
14CHAPTER XIII ATTACKED
