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! How much power does a US president really have? Wonder no more: Who HQ Presents the answers to what presidents can do on their own, how the three branches of government hold one another in check, and what executive orders presidents have signed in the past.