A Fraction of the Whole by Steve Toltz

Most of his life, Jasper Dean couldn't decide whether to pity, hate, love, or murder his certifiably paranoid father, Martin, a man who overanalyzed anything and everything and imparted his self-garnered wisdom to his only son. But now that Martin is dead, Jasper can fully reflect on the crackpot who raised him in intellectual captivity, and what he realizes is that, for all its lunacy, theirs was a grand adventure.

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