Man of Steel: Joseph Stalin: Russia's Ruthless Ruler

That's a Rap

Jungle Fighters: A Firsthand Account of the Forgotten New Guinea Campaign

Ariana Grande: From Actress to Chart-Topping Singer

Ross Lynch: Actor, Singer, Dancer, Superstar

They Had a Dream: The Struggles of Four of the Most Influential Leaders of the Civil Rights Movement, from Frederick Douglass to Marcus Garvey to Martin Luther King Jr. and Malcolm X

Austin Mahone: Vocals Going Viral

The Dictators: Who They Are and How They Have Influenced Our World

Josh Hutcherson: The Hunger Games' Hot Hero

Twentieth-Century Caesar: Benito Mussolini: The Dramatic Story of the Rise and Fall of a Dictator

Selena Gomez: Pop Star and Actress

The Feminist Revolution: A Story of the Three Most Inspiring and Empowering Women in American History: Susan B. Anthony, Margaret Sanger, and Betty Friedan

Little Mix: Singers with X-tra Success

The Incredible '60s: The Stormy Years That Changed America

Maia Mitchell: Talent from Down Under

To Save the Earth: The American Environmental Movement

Demi Lovato: Taking Another Chance

They Made a Revolution: The Sons and Daughters of the American Revolution

Justin Bieber: Pop and R & B Idol

Rage in the Streets: A History of American Riots