Cryptocurrencies Simply Explained: Bitcoin, Ethereum, Blockchain, ICOs, Decentralization, Mining & Co (Unabridged)
2019
Grenzenlos Erfolgreich [Boundless Success]: Das Nr. 1 30 Tage Programm - Fuer vollkommene Zufriedenheit, absolutes Glueck und ultimativen Erfolg (Unabridged)
2017
25 Stories I Would Tell My Younger Self: An Inspiring and Motivational Blueprint for Millennials (Unabridged)
2015
The Timehorizon Principle: The Time Management Hacks and Productivity Tricks of the World's Most Successful People (Unabridged)
2024
25 Geschichten für mein jüngeres Ich [25 Stories to My Younger Self] (Unabridged)
2016
Die Wertformel
2024