rene stauffer on Twitter: "Very happy to see «Roger Federer, die Biografie» jump to Number 1 in Switzerland out of the blue @rogerfederer (see more on my facebook-page @FedererBio) https://t.co/4RCRzWywT6" / Twitter
2019 Bestselling Books in Germany: Fiction, Nonfiction, Self-Help
SPIEGEL-Bestseller – die erfolgreichsten Bücher Deutschlands