INTRODUCTION
Elusive Truth
BOOK I
Secrets of Space
CHAPTER I
Dr. Hermann Anderwelt
CHAPTER II
The Gravity Projectile
CHAPTER III
Structure of the Projectile
CHAPTER IV
What is on Mars?
CHAPTER V
Final Preparations
CHAPTER VI
Farewell to Earth
CHAPTER VII
The Terrors of Light
CHAPTER VIII
The Valley of the Shadow
CHAPTER IX
Tricks of Refraction
CHAPTER X
The Twilight of Space
CHAPTER XI
Telling the Time by Geography
CHAPTER XII
Space Fever
CHAPTER XIII
The Mystery of a Minus Weight
BOOK II
Other World Life
Why Mars gives a Red Light
The Terror Birds
The Armies of Mars
The Strange Bravery of Miss Blank
Zaphnath, Ruler of the Kemi
The Iron Men from the Blue Star
Parallel Planetary Life
A Plagiarist of Dreams
Getting into the Corner
Humanity on Ptah
Revolutionist and Eavesdropper
The Doctor Disappears
The Revelation of Hotep
