A Guide to Elementary Number Theory (Dolciani Mathematical Expositions)

A Guide to Elementary Number Theory is a 140 pages exposition of the topics considered in a first course in number theory. It is intended for those who may have seen the material before but have half-forgotten it, and also for those who may have misspent their youth by not having a course in number theory and who want to see what it is about without having to wade through a traditional text, some of which approach 500 pages in length. It will be especially useful to graduate student preparing for the qualifying exams.

Though Plato did not quite say, He is unworthy of the name of man who does not know which integers are the sums of two squares he came close. This Guide can make everyone more worthy.