Question: Who is the author and Foreign Affairs columnist for the "New York Times" that wrote both Hot, Flat and Crowded and The World is Flat? Thomas L. Friedman 
Sentence (from "The World Is Flat"): The World Is Flat: A Brief History of the Twenty-first Century is an international best-selling book by Thomas L. Friedman that analyzes globalization, primarily in the early 21st century.
Relevant evidence: Yes