Weapons

The Battles of Lexington and Concord

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The Revolutionary War is a watershed moment in America's struggle for freedom and liberty. In this richly illustrated interactive eBook, students will learn why the colonists felt that armed resistance was the only way to make themselves heard and trace the paths taken by the British and the Americans as they moved from Lexington to Concord. Actor-narrated audio, video, maps, timelines, and other interactive features will give students a full understanding of these historic battles.

Ancient Roman Technology

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To this day, the Romans are admired for their technological know-how and massive, well-designed public works projects. Learn how the Romans ensured a clean water supply for their cities, used volcanic ash to make long-lasting concrete, created the world's first professional army, and much more. Photographs of structures that are standing to this day help demonstrate the ingenuity of Roman engineers and the skill of Roman workers.

Ancient Greek Geography

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Ancient Greeks lived in a landscape that received more than 300 days of sunshine each year and little rain. Readers will learn how Greeks used everything at their disposal, such as the sea, minerals in the earth, and fertile farmland, to flourish as a civilization. The concept of a society's relationship to its land and resources is covered in depth.