Operation Time Search

When Ray Osborne, a young American photographer, was precipitated suddenly from the twentieth century into a prehistoric age, he did not know that he had blundered into the field of an experimental time machine. But he soon realized that the new world was a hostile one when he was captured by a strange group of hunters, speaking no language he had ever heard. Only after he met the Murian, Cho, and was able to communicate with him telepathically, did he learn that they were both prisoners of...