by To all profound thinkers in the realms of Science who may chance to read Skylark Three, greetings: Skylark ThreeI have taken certain liberties with several more or less commonly accepted theories, but I assure you that those theories have not been violated altogether in ignorance. Some of them I myself believe sound, others I consider unsound, still others are out of my line, so that I am not well enough informed upon their basic mathematical foundations to have come to any definite conclusion, one way or the other. Whether or not I consider any theory sound, I did not hesitate to disregard it, if its literal application would have interfered with the logical development of the story. In The Skylark of Space Mrs. Garby and I decided, after some discussion, to allow two mathematical im

