What to do

There are many books on leadership, a good book to start with is Effective leadership - How to be a successful leader by John Adair. Full reference:

Adair, J. (1983). Effective Leadership - How to be a successful leader. Pan Books.

How to Lead by Jo Owen is described as a practical, essential guide to the theory and practice of leadership. Full reference:

Owen, J. (2005). How to Lead: What You Actually Need to Do to Manage, Lead and Succeed. Prentice Hall.

The One Minute Manager by Kenneth Blanchard, Patricia Zigarmi and Drea Zigarmi is a quick, simple read detailing techniques of successful leadership. Full reference:

Blanchard, K., Zigarmi, P. & Zigarmi, D. (2004). The One Minute Manager - Leadership and the one Minute Manager. HarperCollins Entertainment; (Reissue) edition (1 Mar 2004).

Effective Coaching - The Orion Business Toolkit by Myles Downey is a practical introductory text on the fundamentals of coaching, key models, tools and skills. Case studies are used throughout. Full reference:

Downey, M. (2001). Effective Coaching (the Orion Business Toolkit). Texere Publishing; New edition.

A lot of useful information can also be found on the website ‘Businessballs'. The section on leadership is at http://www.businessballs.com/leadership.htm