Popular adult education has a curious affinity for numbers. Charles William Eliot struck the public fancy with his "five-foot shelf," Emanuel Haldeman-Julius makes hay with "five-cent" pamphlets, many have sold "15 easy lessons." Since last March the newest of these enterprises, the National Educational Alliance, has been offering as a short cut to learning 57 courses at 1¢ a lesson. By last week it had a good round number to boast about 250,000 students.
National Educational Alliance is the idea of John J. Crawley, a Manhattan mail-order and subscription publisher. Observing that...