The crux of this artful tone is when perspicacious Miss Pickerell, already beloved by those who read about her scientific undertakings in Miss Pickerell Goes to Mars (1951, p. 359), discovers uranium. It is all on account of her sick cow. With the expedition to the State Capitol to see the veterinarian, the circus and the atomic energy exhibit well underway, Miss Pickerell is put off the steamboat by the captain who says having a cow on board is breaking regulations. Of course she has trouble at the riverside town when she tries to get a train ticket, and in the following chain of events, becomes deputy sheriff, uses that ailing official's geiger counter, solves a mystery at the local atomic energy plant, traces the source of some fast clickings to the rocks the steamboat had been getting from Square Toe Mountain to use for ballast, and establishes a scholarship. Hilariously informative storytelling that will have youngsters on tenterhooks for the next in the series.