Boldly blending fables and myths with apocalyptic technologies, Amber Sparks holds a singular role in the canon of the weird. Having garnered acclaim for her shimmering collection The Unfinished World, she reaches uncanny heights with And I Do Not Forgive You. In prose that beats with urgency, these contemporary stories read like the best of fairytales--which are, as Sparks writes, just a warning disguised as a wish. In "Mildly Happy, With...