Homework is an afterthought. Homework is chemistry formulas that might as well be hieroglyphs on a fresh page. The city, however, offers more pressing problems. That evening, an overheard conversation in the cafeteria—half-laughed, half-advertised—mentions a private auction at a downtown warehouse. The lot includes “experimental samples” from a research firm recently acquired by an industrialist with ties to less savory enterprises. The word “experimental” hangs in the air like a threat.