Management Mess to Leadership Success: 30 Challenges to Become the Leader You Would Follow (Unabridged)
2019
The Ultimate Guide to Great Mentorship
2023
Leader-Legende statt Management-Muffel : 30 Challenges für Chef*innen, die die Dinge geregelt kriegen wollen
2021
Master Mentors Volume 2
2022
Master Mentors
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Parenting: Wrong Turns, Right Lessons: 30 INSIGHTS to Build Lifelong Influence and Relationships with Your Children
2025