Atomic Habits, James Clear
The Lean Startup by Eric Ries
The Innovators Dilemma by Clayton M Christensen
Freakonomics - Steve Dubner
Cautionary Tales – Tim Harford
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)
Stephen Covey: The 7 Habits of Highly Effective People
R. Michael Anderson: Leadership Mindset 2.0
Penny Mallory: Develop Mental Toughness
Kate Trafford: Get There, Love Here
John Kotter: Leading Change
Caspar Craven: Be More Human