What Is Earth Day‪?‬

Direct from Who HQ, the team that brings you the New York Times Best-Selling Who Was? biography series, comes Who HQ Presents. These short illustrated e-Books provide quick, simple answers to the important questions being asked today about politics, social issues, the environment, and more!

What is Earth Day? Wonder no more: Who HQ Presents answers about how this environmental celebration came about, and how you can join in.