Most Popular Books
- The Enjoyment of Math
- The Enjoyment of Mathematics: Selections from Mathematics for the Amateur (Dover Books on Mathematical and Word Recreations)
- Higher Mathematics from an Elementary Point of View
- Lectures on Elementary Number Theory
- Topics in analytic number theory (Die Grundlehren der mathematischen Wissenschaften in Einzeldarstellungen mit besonderer Berücksichtigung der Anwendungsgebiete)
