6CHAPTER I
41CHAPTER XX
7CHAPTER II
42CHAPTER XXI
8CHAPTER III
43CHAPTER XXII
9CHAPTER IV
44CHAPTER XXIII
10CHAPTER V
45CHAPTER I INVADERS
11CHAPTER VI
46CHAPTER II CANINE PEOPLE
12CHAPTER VII
47CHAPTER III A QUARTER OF A MILLION LIGHT YEARS
13CHAPTER VIII
48CHAPTER IV THE FIRST MOVE
14CHAPTER PROLOGUE
49CHAPTER V ORTOL
15CHAPTER I
50CHAPTER VI THE SECOND MOVE
16CHAPTER II
51CHAPTER VII WORLD 3769-37,478,326,894,6, TALSO
17CHAPTER III
52CHAPTER VIII UNDEFEATABLE OR UNCONTROLLABLE?
18CHAPTER IV
53CHAPTER IX THE IRRESISTIBLE AND THE IMMOVABLE
19CHAPTER V
54CHAPTER X IMPROVEMENTS AND CALCULATIONS
20CHAPTER VI
55CHAPTER XI "WRITE OFF THE MAGNET"
21PROLOGUE
56CHAPTER XII SIRIUS
22CHAPTER I
57CHAPTER XIII ATTACKED
23CHAPTER II
58CHAPTER XIV INTERGALACTIC SPACE
24CHAPTER III
59CHAPTER XV ALL-POWERFUL GODS
25CHAPTER IV
60CHAPTER XVI HOME AGAIN
26CHAPTER V
61CHAPTER XVII POWER OF MIND
27CHAPTER VI
62CHAPTER XVIII EARTH'S DEFENSES
28CHAPTER VII
63CHAPTER XIX THE BATTLE OF EARTH
29CHAPTER VIII
64CHAPTER XX DESTRUCTION
30CHAPTER IX
65CHAPTER XXI THE POWER OF "THE THOUGHT"
31CHAPTER X
66CHAPTER XXII THETT
32CHAPTER XI
67CHAPTER XXIII VENONE
33CHAPTER XII
68CHAPTER XXIV THETT PREPARES
34CHAPTER XIII
69CHAPTER XXV WITH GALAXIES IN THE BALANCE
35CHAPTER XIV
70CHAPTER XXVI MAN, CREATOR AND DESTROYER