Simon Sinek - How Great Leaders Inspire Action
Liz Wiseman, Multipliers: How the Best Leaders Make Everyone Smarter
Simon Sinek, Leaders Eat Last: Why Some Teams Pull Together and Others Don't
Patrick Lencioni, The Five Dysfunctions of a Team: A Leadership Fable
Daniel Goleman, Emotional Intelligence
Paul Sloane, Lateral Thinking for Every Day
Fermat’s Last Theorem, Simon Singh
Edward de Bono, Six Thinking Hats
How to Win Friends and Influence People, Dale Carnegie
The Lean Startup by Eric Ries
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)