At last! The first of my triptych reviews! Triptych theme: Protagonists = (potentially) romantic couple engaging in near-constant witty repartee. AKA “The Nick & Norah Triptych” Books in this triptych: 1. The Secret Adversary, by Agatha Christie (1922)  2. The Thin Man, by Dashiell Hammett (1934)   3. Nick & Norah’s Infinite Playlist, by Rachel Cohn & David … More Witty Repartee Triptych