Books
Audiobooks
The Silk Roads
2021
The First Crusade : The Call from the East
2020
The Silk Roads
2022
The Earth Transformed
2023
A Primeira Cruzada [The First Crusade]: Um chamado para o Oriente [A Call to the East] (Unabridged)
2024
Zwischen Erde und Himmel - Klima - eine Menschheitsgeschichte (Ungekürzte Lesung)
2023