The Cafe on the Edge of the World: A Story About the Meaning of Life (Unabridged)
2025
The Big Five for Life (Unabridged)
2025
The Why Are You Here Cafe (Unabridged)
2024
Das Café am Rande der Welt [The Cafe on the Edge of the World]: Eine Erzählung über den Sinn des Lebens [A Narrative About the Meaning of Life] (Unabridged)
2019
Was ich gelernt habe [What I Have Learned]: Erkenntnisse für ein glückliches Leben [Findings for a Happy Life] (Unabridged)
2024
The Cafe on the Edge of the World
2026