Keith Laumer 
A Trace of Memory [EPUB ebook] 

When Legion signed on as a soldier he did not expect to expect to wind up as the master of a private island. Nor did he expect to cower in ancient Druid pits . . . nor fight for his life in the great hall at Okk-Hamiloth, on a planet galaxies away. A Trace of Memory is a mind blowing non-stop adventure story that you’ll be thinking about long after you finish reading it.
Keith Laumer was a best selling author who was nominated for both the Hugo and Nebula Awards. Before becoming a science fiction writer Laumer was an officer in the United States Air Force and a diplomat in the Foreign Service, adding a note of realism to many of his stories. One of science fiction’s true luminaries