Unstoppable Us: The Two-Book Boxed SetBy: Yuval Noah Harari Series: Unstoppable Us Learn HOW early humans took over the Earth and WHY the world they built isn't fair in this two volume boxed set of the New York Times bestselling UNSTOPPABLE US series. The author of SAPIENS takes middle school readers on an epic and exciting voyage through early human history in these beautifully illustrated books. "Gripping and thought provoking." The New York Times Unstoppable Us, Volume 1: How Humans