CS Lewis Signature Classics

The C. S. Lewis Signature Classics is a HarperOne publisher collection: a boxed set pairing eight of C. S. Lewis's best-known non-fiction works — Mere Christianity, The Screwtape Letters, The Great Divorce, The Problem of Pain, A Grief Observed, The Abolition of Man, Miracles, and The Four Loves. It is a marketing/packaging line, not a numbered or narratively ordered series; each title is a separate, independent book.