In Return to Sender by Julie Alvarez, the main character, Tyler, finds out his father has hired illegal immigrants to work on their failing farm. Tyler's father had been in a tractor accident resulting in his inability to work or run the farm. Tyler is infuriated to find that his dad is breaking the law. Many times, Tyler considers telling the authorities or his teachers about the Mexicans working on the farm. After a few weeks, he meets the three daughters of one of the workers, develops a close relationship with Mari,the oldest of the three. Eventually Homeland Security Officers pay a visit to the farm and deport the entire family. Tyler realizes how complicated immigration issues are because Mari's mother is in trouble and they can not tell the police for fear of being deported. There is a surprise ending, so read Return to Sender if you want to find out what happens after these Mexican farm workers are caught.