Edward de Bono, Six Thinking Hats
How to Win Friends and Influence People, Dale Carnegie
Atomic Habits, James Clear
Richard Potter, Director of Digital Strategy, Microsoft
Better Managers = Better Business, by Pete Fullard
David Clutterbuck (a good resource for coaching and mentoring thinking)
William Buist: Intentional Mastery
Stephen Covey: The 7 Habits of Highly Effective People
R. Michael Anderson: Leadership Mindset 2.0
Penny Mallory: Develop Mental Toughness
Nick Howell: Great Coaching Questions
Nancy Kline: Time to Think
Kate Trafford: Get There, Love Here
Julie Starr: The Coaching Manual
John Kotter: Leading Change