Below are a number of resources to help along your journey to improvement.
See API’s listing of useful papers, articles, books, etc. http://www.apiweb.org/publications.htm
Here are a few more…
deBono, E. Based on Lateral Thinking Creativity course materials by Sproule and Associates. 1997.
deBono, E. Serious Creativity. Harper Collins. New York. 1992.
Deming, W. Edwards. Out of the Crisis. Massachusetts Institute of Technology Press. 1986.
Deming, W. Edwards. The New Economics for Industry. Government, Education. Massachusetts Institute of Technology. Center for Advanced Engineering Study. 1993.
Kohn, Linda T., Corrigan, Janet M., Donaldson, Molla S., To Err is Human: Building a Safer Health System. Committee on Quality of Health Care in America, Institute of Medicine. 2001.
Langley, G, Nolan, K., Nolan T., Norman C., Provost L. The Improvement Guide: A Practical Approach to Enhancing Organizational Performance. San Francisco, CA. Jossey-Bass Publishers. 1996.
Moen R., Nolan T., Provost L. Quality Improvement through Planned Experimentation. McGraw-Hill. 1998.
Nolan T., Schall M., Berwick D., Roessner J. Reducing Delays and Waiting Times Throughout the Healthcare System. Boston, MA. Institute for Healthcare Improvement. 1996.
Richardson, W., Berwick, D., Bisgard, J., et al. Crossing the Quality Chasm: A New Health System for the 21st Century.Committee on Quality of Health Care in America, Institute of Medicine. 2002
Womack, J., Jones. D. Beyond Toyota: How to Root out Waste and Pursue Perfection. Harvard Business Review. Sept./Oct. 1996.