Ever wondered how spies sneak past guards, crack secret codes, or vanish into a crowd? This action-packed nonfiction book for kids aged 7 to 12 takes curious readers deep inside the shadowy world of espionage-where every message might be a clue and every ordinary object could be hiding something extraordinary.

From ancient spies in Egypt to high-tech agents using drones and satellites, young readers will meet real people who risked everything to gather secrets and outsmart their enemies. Each chapter explores daring missions, famous double agents, clever disguises, and secret tools that sound like they're straight out of a movie-but they're all true.

Whether it's learning how Harriet Tubman used hidden signals during the Civil War or discovering how modern hackers protect digital data, readers will see how espionage has shaped wars, protected nations, and sparked wild stories that inspired books and films.

Packed with fascinating facts, fun codebreaking challenges, and thought-provoking sections on responsibility and ethics, this book helps kids develop their critical thinking skills while unlocking the secrets of spycraft. Perfect for history lovers, puzzle-solvers, and future agents-in-training who want to know how the real world of spying works-and how anyone, with the right mindset, can think like a spy.