Frank Thelen has written at least 2 books. Their most popular book is Frank Thelen – Die Autobiografie: Startup-DNA – Hinfallen, aufstehen, die Welt verändern with 4 saves with an average rating of 4.25⭐.
2018 • 4 Readers • 320 pages • 4.3
2020 • 3 Readers • 256 pages • 3.3