David Clutterbuck (a good resource for coaching and mentoring thinking)
R. Michael Anderson: Leadership Mindset 2.0
Nick Howell: Great Coaching Questions
Julie Starr: The Coaching Manual
Caspar Craven: Be More Human
The Five Dysfunctions of a Team: A Leadership Fable by Patrick M. Lencioni
Energy Leadership: The 7 Level Framework for Mastery in Life and Business by Bruce D Schneider
High Performance Habits: How Extraordinary People Become That Way by Brendan Burchard
Lisa Nichols
Mel Robbins
Jay Shetty
Emotional Intelligence by Daniel Goleman
Emotional Intelligence at Work: How to make change stick by Jolyon Maddocks
Delivering Happiness by Tony Hsieh
What the Dog Saw by Malcolm Gladwell