The Confession by John Grisham

An innocent man sits on death row in Texas. His execution date is fast approaching. The man who is actually guilty of the crime is dying of brain tumor and decides to do the right thing and confess to the crime. With the help of a Kansas preacher and a committed defense attorney, he sets out to free the condemned man. It's a page-turning read with interesting characters and moral dilemmas. This would be a great book for discussion groups!