Succored by the science of salesmanship, any professor would be able to achieve affluence. Fortunes would rise from footnotes; and there would be big money made in bibliography.


[COACHING FROM THE SIDE-LINES]

Thanks to the roadside advertisements, driving a car has become as easy as playing a pianola. You just watch the instructions that appear along the edge, and regulate your levers and pedals accordingly. Thus, when you see:

DANGEROUS
CURVE

Sound Raspon

—you reach instinctively for the button of your electric horn. Later, seeing:

SHARP DESCENT