In twelve dioramic scenes, discover how warships have changed from the sail and oar power of ancient Greek triremes and 19th century ships of the line to iron warships of the early 20th century and today's modern aircraft carriers and stealth missile destroyers.

Oumuamua is a space rock that formed around another star. Of the 10,000 space objects that have hurled past our Sun, this rock provides some proof that there are planets similar to Earth outside our solar system. This intriguing book reveals to young space explorers the secrets contained in the rocks that fly around in space.

From the first rockets used to fire arrows to modern computer-controlled cruise missiles and wire-guided High Explosive Anti-Tank Missiles, twelve dioramic scenes reveal how rockets and missiles have gradually become the primary weapons of mechanized warfare.

Some commodities command massive economic, social, and political influence. This title examines the business around steel, the metal that supports many of the world's buildings and structures. It explores the origins of steel, key technological advances, and the ways in which the industry continues to innovate today. Features include essential facts, a glossary, selected bibliography, websites, source notes, and an index. Aligned to Common Core Standards...

Fracking covers the controversies of the fracking industry, examining the different perspectives and the potential risks and benefits of fracking. Aligned to Common Core Standards and correlated to state standards.

The Mayan Empire is remembered as one of the most progressive but violent civilizations in history. Readers will explore a variety of unsavory topics, from bloody battles and skull racks to living with the dead and human sacrifices. Features like detailed sidebars and full-color photographs and illustrations will engage readers as they discover a whole new side to the history of the ancient Americas.

The Syrian Conflict covers the struggle that erupted in Syria in early 2011, discussing the key players, the underlying causes, and the continuing human toll of the violence. Aligned to Common Core Standards and correlated to state standards. Essential Library is an imprint of Abdo Publishing, a division of ABDO.

Gangs exist in places all over the world. The United States, however, is believed to have more gangs than any other country in the world. This book provides a comprehensive overview of the issues surrounding gangs, including how and why young people are lured into gangs and the consequences of gang involvement. Firsthand accounts and current statistics provide an insightful look at this issue.

This history of the Beatles highlights the band's career and cultural impact. Readers learn about the band's roots in Liverpool, its role in the British Invasion, and the creation of iconic albums. Engaging text, historic photographs, and illuminating sidebars bring the story of the Beatles to life. Features include a timeline, glossary, websites, source notes, and an index. Aligned to Common Core Standards and correlated to state standards. Essential...

This history of Queen highlights the band's career and cultural impact. Readers learn about Queen's humble beginnings in London, their legendary performance at the 1985 Live Aid concert, and the legacy of iconic songs like "Bohemian Rhapsody." Engaging text, historic photographs, and sidebars bring the story to life. Features include a timeline, glossary, websites, source notes, and an index. Aligned to Common Core Standards and correlated to state...