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 do the initials "DMZ" stand for? Wonder no more: Who HQ Presents answers about what the DMZ is, where it is, what goes on in that area, and how it was established.