The purpose of this volume is to give a simple account of classical number theory and
to impart some of the historical background in which the subject evolved. Although
primarily intended for use as a textbook in a one-semester course at the undergraduate
level, it is designed to be used in teachers' institutes or as supplementary reading
in mathematics survey courses. The work is well suited for prospective secondary
school teachers for whom a little familiarity with number theory may be particularly
helpful.