Prime Numbers, Friends Who Give Problems: A Trialogue With Papa Paulo

Classical Theory of Algebraic Numbers: Edition 2

Fermat’s Last Theorem for Amateurs

The Little Book of Bigger Primes: Edition 2

The Little Book of Bigger Primes

13 Lectures on Fermat's Last Theorem

The New Book of Prime Number Records: Edition 3

The Book of Prime Number Records

Die Welt der Primzahlen: Geheimnisse und Rekorde, Ausgabe 2

Meine Zahlen, meine Freunde: Glanzlichter der Zahlentheorie

My Numbers, My Friends: Popular Lectures on Number Theory

The Theory of Classical Valuations

The Book of Prime Number Records: Edition 2

Die Welt der Primzahlen: Geheimnisse und Rekorde