Take a look inside the HarperCollins archives.
In this letter to Collins publisher Billy Collins, dated November 1954, C. S. Lewis—author of The Chronicles of Narnia series, Mere Christianity, and The Screwtape Letters, among others—outlines what he sees as his three types of “literary output”: “A. Religious and General. B. Fiction. C. Academic.” He notes, “A is the section that sells best.”
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