The Space Trilogy
| Out of the Silent Planet Perelandra That Hideous Strength | |
| Author | C. S. Lewis | 
|---|---|
| Cover artist | Brian Froud (omnibus) | 
| Country | United Kingdom | 
| Language | English | 
| Genre | Science fiction | 
| Publisher | The Bodley Head (first and first omnibus) | 
| Published | 1938–1945 1990 (first omnibus) | 
| Media type | Print (hardcover and paperback) 0-370-31439-5 (omnibus, 651 pp) | 
The Space Trilogy (also known as The Cosmic Trilogy or The Ransom Trilogy) is a series of science fiction novels by British writer C. S. Lewis. The trilogy consists of Out of the Silent Planet (1938), Perelandra (1943), and That Hideous Strength (1945). A philologist named Elwin Ransom is the protagonist of the first two novels and an important character in the third.