Ayn Rand was no fan of C.S. Lewis. She called the famous apologist an “abysmal bastard,” a “monstrosity,” a “cheap, awful, miserable, touchy, social-metaphysical mediocrity,” a “pickpocket of concepts,” and a “God-damn, beaten mystic.” (I suspect Lewis would have particularly relished the last of these.) These insults and more can be found in her marginal notes on a copy of Lewis’ Abolition of Man, as printed in Ayn Rand’s Marginalia: Her critical comments on the writings of over 20 authors, edited by Robert Mayhew. Excerpts appear below, with Lewis’ writing (complete with Rand’s highlighting and underlining) on the left and...