This week’s Unshelved Book Club features books about a being who punishes wickedness, a man trying to survive naked on a deserted island for 60 days, a learned pig, a murdered emperor’s children, a retired U.S. spy out to stop a terrorist, a boy beaten for seducing the wrong girl, an amnesiac girl who finds a key to a new world, and a boy in Quebec in 1970 who becomes a scout.