To kick start your learning, let's summarize the basics.

A St. Louis professor endeavors to invent a new name for the United States, a cabalistic affair, USONA, composed of the initial letters of the words United States of North America ; the people he would designate as Usonians.

Our policemen, of course, will be fitted out with large, twirlable moustaches and small, twirlable rolling-pins, and will be taught to turn their backs on traffic jams, but to blow whistles violently at solitary bicyclists.

That eager reverence was like a lover's adoration: his interpretations might be fanciful, and such as he would never have made in any other commentings, but here his search for hidden meanings in simple phrases had just that quality […]