 Elementary Number Theory: Second Edition by Underwood Dudley, 20080925
 Number Theory (Dover Books on Advanced Mathematics) by George E. Andrews, 19941012
 An Introduction to the Theory of Numbers by G. H. Hardy, Edward M. Wright, et all 20080915
 Elementary Number Theory (6th Edition) by Kenneth H. Rosen, 20100409
 Elementary Number Theory by Gareth A. Jones, Josephine M. Jones, 19980114
 Algebraic Theory of Numbers: Translated from the French by Allan J. Silberger (Dover Books on Mathematics) by Pierre Samuel, 20080519
 Number Theory: A Lively Introduction with Proofs, Applications, and Stories by James Pommersheim, Tim Marks, et all 20100215
 104 Number Theory Problems: From the Training of the USA IMO Team by Titu Andreescu, Dorin Andrica, et all 20061219
 Elementary Number Theory by David Burton, 20100204
 Number Theory and Its History (Dover Classics of Science and Mathematics) by Oystein Ore, 19880401
 Friendly Introduction to Number Theory, A (3rd Edition) by Joseph H. Silverman, 20050331
 A Primer of Analytic Number Theory: From Pythagoras to Riemann by Jeffrey Stopple, 20030623
 Elementary Theory of Numbers (Dover books on advanced mathematics) by William J. LeVeque, 19900601
 Wonders of Numbers: Adventures in Mathematics, Mind, and Meaning by Clifford A. Pickover, 20020615
