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Travel back in time to find out what life was like before streaming music. Historical photographs, helpful infographics, and a "Blast from the Past" special feature provide readers an engaging overview of records, cassette tapes, and other ways people listened to their favorite tunes.

Travel back in time to find out what life was like before streaming music. Historical photographs, helpful infographics, and a "Blast from the Past" special feature provide readers an engaging overview of records, cassette tapes, and other ways people listened to their favorite tunes.

Travel back in time to find out what life was like before cell phones. Historical photographs, helpful infographics, and a "Blast from the Past" special feature provide readers an engaging overview of past technologies people used to communicate with family and friends.

Travel back in time to find out what life was like before cell phones. Historical photographs, helpful infographics, and a "Blast from the Past" special feature provide readers an engaging overview of past technologies people used to communicate with family and friends.

Bridges have been used for thousands of years, allowing people to cross rivers, roads, or other obstacles. Today's bridges are complex architecture that can be designed to withstand even earthquakes. Find out more about how these remarkable structures are designed, built, and improved in Bridges, part of the Engineering Marvels series.

People have been building tunnels for thousands of years. Today, engineers create tunnels beneath cities, through mountains, and even under the ocean. Find out more about how these amazing structures are designed, built, and improved in Tunnels, part of the Engineering Marvels series.

Race cars are specifically designed for speed. Today's cars can exceed 200 miles (322 kilometers) per hour. Find out more about how these incredibly fast cars are designed, built, and improved in Race Cars, part of the Engineering Marvels series.

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Explores the history and culture of Ancient Rome. Eye-catching photos, fascinating sidebars, and a "Contributions" special feature guide readers through the rise and fall of this great civilization, focusing on the people and accomplishments that made it unique.

Explores the history and culture of Ancient Rome. Eye-catching photos, fascinating sidebars, and a "Contributions" special feature guide readers through the rise and fall of this great civilization, focusing on the people and accomplishments that made it unique.

Explores the history and culture of Ancient China. Eye-catching photos, fascinating sidebars, and a "Contributions" special feature guide readers through the rise and fall of this great civilization, focusing on the people and accomplishments that made it unique.

Explores the history and culture of Ancient China. Eye-catching photos, fascinating sidebars, and a "Contributions" special feature guide readers through the rise and fall of this great civilization, focusing on the people and accomplishments that made it unique.

Explores the history and culture of Ancient Greece. Eye-catching photos, fascinating sidebars, and a "Contributions" special feature guide readers through the rise and fall of this great civilization, focusing on the people and accomplishments that made it unique.

Explores the history and culture of Ancient Greece. Eye-catching photos, fascinating sidebars, and a "Contributions" special feature guide readers through the rise and fall of this great civilization, focusing on the people and accomplishments that made it unique.

Birds are able to see the ultraviolet light reflected by spider webs. By using a similar coating in skyscrapers, people can help stop birds from crashing into them. Find out more in Everyday Inventions, a title in the Designed by Nature series. Designed by Nature is a series of AV2 media enhanced books. A unique book code printed on page 2 unlocks multimedia content. These books come alive with video, audio, weblinks, slideshows, activities, h...

Birds are able to see the ultraviolet light reflected by spider webs. By using a similar coating in skyscrapers, people can help stop birds from crashing into them. Find out more in Everyday Inventions, a title in the Designed by Nature series. Designed by Nature is a series of AV2 media enhanced books. A unique book code printed on page 2 unlocks multimedia content. These books come alive with video, audio, weblinks, slideshows, activities, h...

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