The American Revolution, the Civil War, and World War II weren't won solely by soldiers on the battlefield. Spies--the brave men and women who secretly gathered information and misled enemies--were just as important. Uncover the hidden heroes and villains of these wars in this set of exciting history books for kids.

• Spies in the American Revolution for Kids--Learn all about the spies who gathered information about the British and helped the colonists win their freedom.
• Spies in the Civil War for Kids--Discover how some of the first submarines and camouflaged mines were used for spying during the Civil War.
• Spies, Code Breakers, and Secret Agents--Travel back in time to World War II and meet a baseball player and a popular entertainer who became secret agents.

Bring history to life with these exciting stories about daring spies.