Rosen Elementary Number Theory and Its Applications
Algebraic Number Theory and Fermat's Last Theorem
History of the Theory of Numbers. Volume II: Diophantine Analysis
Equations and Inequalities. Elementary Problems and Theorems in Algebra and Number Theory-Springer (2000)
Group theory - Dover
Unsolved Problems in Number Theory
Old and New Unsolved Problems in Plane Geometry and Number Theory
Multiplicative Number Theory Graduate Texts in Mathematics
On numbers and games
Primes and Progmming. An Introduction to number nuber theory with computiny
Riemann's Zeta Function
The Fourier-Analytic Proof of Quadratic Reciprocity
Complex Multiplication of Abelian Varieties and Its Applications to Number Theory
Multiple Dirichlet Series, Automorphic Forms, and Analytic Number Theory
The Hardy-Littlewood method
Topics in the Theory of Numbers