How do spies build trust and infiltrate enemy organizations? In this title, readers will learn how spies are recruited and trained, and how they build the skills needed to gain intelligence. Readers will learn about amazing spies from history who risked their lives to get information. Readers can also try special missions such as creating a legend and mastering their memory. Aligned to Common Core Standards and correlated to state standards. Abdo & Daughters is an imprint of Abdo Publishing, a division of ABDO.