0The world's great powers have all been swept up in the first global war. Spying on the enemy can provide information that might be useful for your country's war effort. The work is dangerous but exciting. Will you: Offer your services to the German intelligence agency as an English-speaking spy? Work as an Allied female spy in German-occupied Belgium? Be sent to Russia as a member of Britain's Secret Intelligence Service? You Choose offers multiple perspectives on history, supporting Common Core reading standards and providing readers a front-row seat to the past.