Ambiguous antiheroes and antivillains are always my jam. Give me a book from the point of view of the bad guy. Give me a repentant antagonist—hell, give me an unrepentant one. Memoir of a Mad Scientist is exactly what it says on the tin, albeit with a tongue-in-cheek, slightly absurdist twist. Erin Z. Anderson has crafted a tale that gets you thinking about where to draw lines. How far is it OK to go in…