Die Wissenschaft des Reichwerdens (The Science of Getting Rich) (Vollständige deutsche eBook-Ausgabe)
2012
Die Wissenschaft des Reichwerdens
2018
Sky is the Limit: The Art of of Upgrading Your Life
2020
Yes You Can! - 50 Classic Self-Help Books That Will Guide You and Change Your Life
2024
50 Classic Self-Help And Motivational Books You Have To Read Before You Die (Road To Success)
2018
The Science of Getting Rich
2010