Well, we are delighted that you want to improve your coaching skills and we can recommend two of the most successful and celebrated books on the subject:
“Coaching Salespeople Into Sales Champions: A Tactical Playbook for Managers and Executives” by Keith Rosen Link: https://www.amazon.co.uk/gp/product/B017QQKVDQ/
“Sales Coaching: Making the Great Leap from Sales Manager to Sales Coach” by Linda Richardson. Link: https://www.amazon.co.uk/Sales-Coaching-Making-Great-Manager/dp/0071603808/
These are both best-sellers and have been acclaimed globally.
Hope that helps and good luck!
The TSL Team