Moonrise by Sarah Crossan

Seventeen-year-old Joe hasn’t seen his brother in ten years. Ed didn’t walk out on the family, not exactly. It’s something more brutal. Ed’s locked up — on death row.

Now his execution date has been set, and the clock is ticking. Joe is determined to spend those last weeks with his brother, no matter what other people think … and no matter whether Ed committed the crime. But did he? And does it matter, in the end?