Klaus Fritz

Gesunde Venen, gesunde Beine. Aktiv gegen Krampfadern und Venenleiden. (1996) 2 copies

Die Märchen von Beedle dem Barden (Harry Potter Companion Books, #3) 2 copies

Nimm dir Zeit. Zitate, Aphorismen und Gedichte über die Zeit (2000) 1 copy

Gymnasium: Ein Ratgeber für Eltern (2012) 1 copy

Ein Sternenmantel voll Vertrauen. Märchenhafte Lösungen für alltägliche Probleme. (1998) 1 copy

Chumm ins Baselbiet 1 copy

Baselland. Zwischen Strom und Berg 1 copy

Harry Potter and the Sorcerer's Stone (Book 1) (1997) — Translator, some editions — 153,776 copies, 2,215 reviews

Harry Potter and the Chamber of Secrets (1998) — Translator, some editions — 125,608 copies, 1,090 reviews

Harry Potter and the Prisoner of Azkaban (1999) — Übersetzer, some editions; Translator, some editions — 122,166 copies, 1,080 reviews

Harry Potter and the Goblet of Fire (2000) — Translator, some editions — 115,846 copies, 961 reviews

Harry Potter and the Order of the Phoenix (2003) — Translator, some editions — 113,762 copies, 935 reviews

Harry Potter and the Half-Blood Prince (2005) — Translator, some editions — 113,164 copies, 1,000 reviews

Harry Potter and the Deathly Hallows (2007) — Translator, some editions — 108,555 copies, 1,641 reviews

Harry Potter and the Cursed Child: Parts One and Two (2016) — Translator, some editions — 21,115 copies, 638 reviews

Fantastic Beasts and Where to Find Them (2001) — Übersetzer, some editions — 18,075 copies, 176 reviews

The Code Book: The Science of Secrecy from Ancient Egypt to Quantum Cryptography (1999) — Translator, some editions — 6,574 copies, 79 reviews