Grey Howard always tried to stay unnoticed.

At least as unnoticed as a tall, strong girl can in a town of diminutive, underdeveloped citizens could be.

She detests the Chemists, the magicians-come-scientists who rule her small western town. But she obediently takes the potion the Chemists ration out--a concoction that is supposed to help her and the rest of the town's people survive each day.

Then her best friend, Whit, is caught by Chemist enforcers, and Grey feels everything shift inside her. Especially after Whit is severely punished for reasons that...