Who co-wrote the 1942 book The Screwtape Letters with C.S. Lewis?

The story behind the answer

No one co-wrote The Screwtape Letters with C.S. Lewis; Lewis wrote the book alone.

The Screwtape Letters was published in book form in 1942. It consists of fictional letters from Screwtape, a senior demon, to his inexperienced nephew Wormwood. Through the demons’ advice, Lewis satirizes temptation, self-deception, distraction, pride, and the ordinary habits that can damage a person’s spiritual life.

The unusual format has led some readers to associate the work with Lewis’s literary friends, particularly J.R.R. Tolkien and Charles Williams. Both men belonged to Lewis’s circle of writers and intellectuals, but neither co-wrote this book. Lewis’s use of a demon as the apparent commentator also means that the book’s statements must be read as inverted satire rather than as straightforward declarations by the author. The work became one of Lewis’s best-known Christian apologetic writings.

Source: Wikipedia · fact-checked Oct. 2026

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