Out of the Silent planet is the first of a trilogy of science fiction stories that C.S. Lewis wrote. Ransom, a professor of philology (study of language/linguistics), is on a summer hike when he is kidnapped by two people and taken by spaceship to another planet, They are bringing him as a sacrifice, but he is able to escape. Much of the story is Ransom figuring out who and what live on this planet. - is it safe? what is safe? who are these other beings? what are their motives and desires? who can you trust? what do you do with things you can't see? The book tells of a tragedy, a long journey, and a growing knowledge of himself and others.