The Uncensored Man by Arthur Sellings
Berkley Medallion Books, 1967 (Originally published in 1964)
Price I paid: 90¢
Dr. Mark Anders was one of the government’s top physicists, working on a high priority project concerning defense. Wrapped up in his abstract world of mathematical symbols, he was ill-prepared for the messages he began to receive. They were in words of other languages…and they came from strange sources: the babblings of an epileptic in a fit; the output sheet of a new super computer on a test run.
But this was only the beginning, for he was soon to find himself transported to a different dimension, setting foot on another world, whose people had been desperately trying to contact him in order to deliver a message terrifying in its implications for the future of the human race…