Brené Brown - The Power of Vulnerability
Carol S. Dweck, Mindset: The New Psychology of Success
Julie Zhuo, The Making of a Manager: What to Do When Everyone Looks to You
Patrick Lencioni, The Five Dysfunctions of a Team: A Leadership Fable
Jim Collins, Good to Great
Daniel Goleman, Emotional Intelligence
Fermat’s Last Theorem, Simon Singh
Atomic Habits, James Clear
Freakonomics - Steve Dubner
Richard Potter, Director of Digital Strategy, Microsoft
Scaling Up, by Verne Harnish
Better Managers = Better Business, by Pete Fullard
McKinsey Quarterly (a wide range of leadership, management and strategic thinking)
Harvard Business Review (a wide range of leadership thinking)
David Clutterbuck (a good resource for coaching and mentoring thinking)