The Space Trilogy

The Space Trilogy
Out of the Silent Planet
Perelandra
That Hideous Strength
AuthorC. S. Lewis
Cover artistBrian Froud (omnibus)
CountryUnited Kingdom
LanguageEnglish
GenreScience fiction
PublisherThe Bodley Head (first and first omnibus)
Published1938–1945
1990 (first omnibus)
Media typePrint (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 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.