The United States has been torn in half by the war between North and South. It is vital for an army to know what the enemy is doing--and perhaps spread false information as well. Spying is risky if you are caught. Still, it is worth it to help win the war. Will you: Become a member of the Pinkerton Detective Agency to spy for the North? Be a wealthy Southern woman spying for the Confederacy in Washington D.C.? Be a free black man traveling into the South to spy for the Union? You Choose offers multiple perspectives on history, supporting Common Core reading standards and providing readers a front-row seat to the past.