An Introduction to Number Theory: 232 (Graduate Texts in Mathematics) - Tapa blanda

From the reviews:

"This number theory text is somewhat different than traditional number theory texts. The authors’ guiding principle is unique factorization and its consequences. ... This is not a traditional number theory text, but one that tries to guide the reader through the beginnings of the subject towards the modern frontiers. This is helped along by a good sized bibliography plus many problems ... . it might provide an interesting experience when used at the graduate level." (Don Redmond, Mathematical Reviews, Issue 2006 j)

"The book under review contains several topics which are usually not brought together in an introductory text. The book is meant to give a broad introduction to advanced undergraduate students ... of number theory. ... Each chapter contains many exercises and historical notes. ... In my opinion, because so many topics are treated in an accessible way, the book is very well suited for an introductory course in number theory." (Jan-Hendrik Evertse, Zentralblatt MATH, Vol. 1089 (15), 2006)

"In An Introduction to Number Theory, the authors strive to have the best of all worlds: they cover a broad range of topics ... . This book could be used for a number of different courses. ... The full book would be appropriate for a first-year graduate course. It’s also a nice introduction to the subject for established mathematicians form other fields. ... its extensive bibliography, tasteful collection of topics, and clear presentation make it a pleasant reference even for working number theorists." (Rob Benedetto, MathDL, January 2006)

Includes up-to-date material on recent developments and topics of significant interest, such as elliptic functions and the new primality test

Selects material from both the algebraic and analytic disciplines, presenting several different proofs of a single result to illustrate the differing viewpoints and give good insight