Presents an overview of World War I, including history, important people and battles, and a time line of events.

Presents an overview of the American Revolution, including history, important people and battles, and a time line of events.

Presents an overview of World War II, including history, important people and battles, and a time line of events.

Just in time for the third North American total solar eclipse of the twenty-first century, this book explains how to safely observe solar eclipses, how long eclipses last, and why they result in a blackout period during the day. Young armchair astronomers and astronauts will be inspired by the wonders of outer space and what exists beyond our atmosphere as they learn more about the moon, the sun, and our earth. What really happens during a solar eclipse...

Twelve-year-old Ben Ripley leaves his public middle school to attend the CIA's highly secretive Espionage Academy, which everyone is told is an elite science school.

If it were easy, it wouldn't be Fortnite. When 98% of the world's population disappears in the blink of an eye, the isolated survivors, 4 teenagers named Cody, Sarah, Eric, and Kiki, each cower in the ruins of their homeland, pounded by strange storms and hunted by ravenous monsters. One by one, they discover a hopeful sign of life, a distress call, which beckons them toward a place called Homebase. In their pursuit of this safe haven, they find...

Ben is nervous when his mom decides to sign him up for tae kwon do camp. Thankfully, his best friend, Emilio, agrees to sign up too. But on their first day, it becomes clear that Emilio is a natural. Ben, meanwhile, struggles to keep up. He is frustrated and embarrassed--until he runs into Mr. Wiz, the mysterious custodian from his school. Soon after, Ben finds a black belt in his bag, and suddenly his skills start to progress. What's behind the sudden...

Elliott is grounded after having some trouble controlling his new super powers, but his punishment is short-lived when he's kidnapped by a band of teenage alien outlaws who believe he's the only one capable of destroying a planet-eating monster that's annihilating worlds.

Since she was a pup, Zima has been taught to fear humans--especially witches--but when her family is threatened, she has no choice but to seek help from the witch Baba Yaga. Baba Yaga never does magic for free, but it just so happens that she needs a wolf's keen nose for a secret plan she's brewing. Before Zima knows what's happening, the witch has cast a switching spell and run off into the woods, while Zima is left behind in Baba Yaga's hut--and...

People around the world study and compete in many types of martial arts. This series highlights six popular styles, tracing each one from its historical origins to the ways it is practiced today.