Some people say the US president is the most powerful leader in the world. It's got to be a stressful job! Readers will learn the powers given to the president by the US Constitution and the presidential duties that have developed over time. Enhanced by historical and full-color photographs of past presidents, the main content gives historical context as well as fun fact boxes full of interesting tidbits about past US leaders. From family to salary, the information readers gather about the life of the president will fuel their interest in the presidency for years to come.