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Understanding World History

This series surveys the political, social, and cultural trends of major periods and events in world history. Primary and secondary source quotes bring historical events to life. Source notes, a bibliography for further research, and index provide additional tools for student researchers.

Understanding World Religions

To truly understand the world's major religions one needs to understand what people within each faith believe, how they practice their faith, and what rules they live by. The Understanding World Religions series explores these important aspects of religion as well as the origins of each faith and some of the challenges faced in the modern age.

Unexplained, The

The world is full of mysteries. Do Bigfoot, the Loch Ness Monster, and ghosts exist? Can people really use ESP to see events with their mind? Has wreckage from a UFO been recovered? What are the different kinds of near-death experiences people have reported? All of these questions are addressed in this series that provides arguments for and against the existence of these unexplained phenomena.

Unexplained, The  

The world is full of mysteries. Do Bigfoot, the Loch Ness Monster, and ghosts exist? Can people really use ESP to see events with their mind? Has wreckage from a UFO been recovered? What are the different kinds of near-death experiences people have reported? All of these questions are addressed in this series that provides arguments for and against the existence of these unexplained phenomena.

Unexplained, The (Torque)

The world is full of mysteries. Do Bigfoot, the Loch Ness Monster, and ghosts exist? Can people really use ESP to see events with their mind? Has wreckage from a UFO been recovered? What are the different kinds of near-death experiences people have reported? All of these questions are addressed in this series that provides arguments for and against the existence of these unexplained phenomena.

Universe Is a Tree, The

This collection of stories, proverbs, and poems about trees from around the world reveals that a tree's roots not only go down deep into the earth, but its branches also reach up and out into the universe, connecting us all.

Unprovoked War, The: Russia’s Invasion of Ukraine

In February 2022, Russia invaded Ukraine in anticipation of a quick and complete victory. That did not happen. Instead, Russia’s brutal, unprovoked war has run into determined resistance from the Ukrainian government and people. Even so, Russia’s war on Ukraine has destroyed huge swaths of the country, including hospitals, apartment buildings, and schools. It has displaced millions and killed and injured thousands. Much of the global community has rallied around Ukraine, providing weapons and fi

Unseen, The

Sixteen-year-old Eleanor, a shapeshifter dealing with her new body, finds herself targeted by rumors, superstition, and religion. As a dangerous predator stalks her hometown, she is forced to decide if she should cling to hope, or follow her instincts and run.

Unwritten

In this fantasy middle-grade novel, twelve-year-old storybook character Gracie Freeman lives in the real world but longs to discover what happened in the story she came from. When she finally gets her chance, the truth isn't what she was expecting.