Both of these "Current Affairs" books by Thomas L. Friedman are from non-smoking home. They have mild wear. Please see photos and individual notes below. 1. The World is Flat: A Brief History of the Twenty-First Century - Further Updated and Expanded//Release 3.0 - Trade Paperback - Shows some reading wear, including a spine curvature. 2. Hot, Flat, and Crowded: Why We Need A Green Revolution -- And How It Can Renew America - Hardcover/DJ - DJ has has 1-inch tear at bottom of fore edge front cover (see close-up). Last name first inside page. Free shipping is for the books carefully wrapped in protective plastic/heavy paper sent Media Mail with tracking. I recycle packaging to save us both money.