At the heart of this sprawling, dizzying debut from a quirky, assured Australian writer are two men: Jasper Dean, a judgmental but forgiving son, and Martin, his brilliant but dysfunctional father. Jasper, in an Australian prison in his early 20s, scribbles out the story of their picaresque adventures, noting cryptically early on that [m]y father's body will never be found. As he tells it, Jasp...