Explore the history of espionage with the DK Reader Spies! Meet the famous and the infamous—the agents and the double agents. Infiltrate the FBI, CIA, and KGB, and follow the evolution of the tools of the trade, including industrial spying and computer hackers.Stunning photographs combine with lively illustrations and engaging, age-appropriate stories in DK Readers, a multilevel reading program guaranteed to capture children's interest while developing their reading skills and general knowledge. With DK Readers, children will learn to read—then read to learn!