Books
En busca del oro azteca
2012
Carrera mortal al espacio
2012
Geheimagent Jack - Die verschwundenen Kronjuwelen
2019
Geheimagent Jack - Das DaVinci-Geheimnis
2018
Secret Agents Jack and Max Stalwart: Book 3: The Fate of the Irish Treasure: Ireland
2019
Secret Agents Jack and Max Stalwart: Book 4: The Race for Gold Rush Treasure: California, USA
2019