World War I is known as the "war to end all wars." In this title, readers will learn about the development of World War I's various weapons. Each chapter is dedicated to an in-depth examination of a weapon, including Dreadnoughts, artillery, tanks, U-boats, aircraft, and chemical warfare. Aligned to Common Core Standards and correlated to state standards. Abdo & Daughters is an imprint of Abdo Publishing, a division of ABDO.