“I know that you are interested and that you believe, and I know that the world, too, is interested, though they will not believe for many years; yes, for many ages, since they cannot understand. Earth men have not yet progressed to a point where they can comprehend the things that I have written in those notes. “Give them what you wish of it, what you think will not harm them, but do not feel aggrieved if they laugh at you.” That night I walked down to the cemetery with him. At the door of his vault he turned and pressed my hand. “Good-bye, nephew,” he said. “I may never see you again, for I doubt that I can ever bring myself to leave my wife and boy while they live, and the span of life upon Barsoom is often more than a thousand years.” He entered the vault. The great door swung slowly to. The ponderous bolts grated into place. The lock clicked. I have never seen Captain John Carter, of Virginia, since. But here is the story of his return to Mars on that other occasion, as I have gleaned it from the great mass of notes which he left for me upon the table of his room in the hotel at Richmond. There is much which I have left out; much which I have not dared to tell; but you will find the story of his second search for Dejah Thoris, Princess of Helium, even more remarkable than was his first manuscript which I gave to an unbelieving world a short time since and through which we followed the fighting Virginian across dead sea bottoms under the moons of Mars. E. R. B. CHAPTER I THE PLANT MEN As I stood upon the bluff before my cottage on that clear cold night in the early part of March, 1886, the noble Hudson flowing like the grey and silent spectre of a dead river below me, I felt again the strange, compelling influence of the mighty god of war, my beloved Mars, which for ten long and lonesome years I had implored with outstretched arms to carry me back to my lost love. Not since that other March night in 1866, when I had stood without that Arizona cave in which my still and lifeless body lay wrapped in the similitude of earthly death had I felt the irresistible attraction of the god of my profession. With arms outstretched toward the red eye of the great star I stood praying