What is it like to do the back-breaking work of immigrants? To find out, Gabriel Thompson spent a year working alongside Latino immigrants, who initially thought he was either crazy or an undercover immigration agent. He stooped over lettuce fields in Arizona, and worked the graveyard shift at a chicken slaughterhouse in rural Alabama. He dodged taxis--not always successfully--as a bicycle delivery "boy" for an upscale Manhattan restaurant, and was fired from a flower shop by a boss who, he quickly realized, was nuts.