When Jake Limberleg brings his traveling medicine show to a small Missouri town in 1913, thirteen-year-old Natalie senses that something is wrong and, after investigating, learns that her love of automata and other machines make her the only one who can set things right.

The town at the crossroads -- The world's fastest bicycle -- The Devil and Tom Guyot -- Some kind of grace -- The snake oil salesman -- Vitamins -- The prankster demon -- To your very good health -- The old village -- Dr. Limberleg's Nostrum Fair and Technological Medicine Show -- Phrenology -- Limberleg's Ginger-Angelica Bitters -- Confidence -- The collector of hands -- Amber therapy -- Jumper -- Jasper Bellinspire's bargain -- Burning the lot -- First, do no harm -- Gingerfoot -- Crossroads.