One Good Book Cover Deserves Another

I admire both of these books, and their authors, and even their covers:

FWIW, both Tim Harford and Jonathan Haidt have turned up in these parts before — Harford in a Q&A, a guest post on Adapt, and in our podcast called “Hey Baby, Is That a Prius You’re Driving?" and Haidt in a Q&A for The Righteous Mind.