There are hundreds of ways to exercise. From low-impact workouts such as walking or swimming to more intense high-impact activities such as running and lifting weights, how people choose to…

A complement to Strong, Beautiful Girls, A Guy's Guide presents common scenarios for middle school and high school boys, including family issues, physical changes, academic pressure, and…

Born in violent revolution, the United States has been defined by military conflict. War has solved conflicts and shaped US policies. It has influenced the nation's culture, redefined its…

Essential Library of Countries explores the nations of the world from many different angles, including geography, plant and animal life, history, culture, politics, the economy, and daily…

Essential Library of Cultural History explores the popular mediums we interact with on a daily basis and how they have shaped history. Aligned to Common Core Standards and correlated to state

In our recent history, employers could fire people for being gay, women were expected to quit their jobs when they became pregnant, and those who use wheelchairs were not guaranteed access to

Essential Library of the Civil War explores the deadliest conflict in US history from many angles. Each subject is covered with gripping narrative text, historic photographs, primary sources,

The way we think about information has changed dramatically in recent years. Data flows across the planet at the speed of light via the Internet, and people establish whole new identities…