My friend Kay Plantes has a fine book and a blog on her website.
Beyond Price: Differentiate Your Company is Ways that Really Matter
Mary Kay Plantes and Robert Finfrock
Greenleaf Book Group Press
2009
Her blog on business model innovation is…
Why are you passionate about business models and business model innovation?
Business models are the best way to help "people in the middle" understand the role that they play in the success of the business. A good business model is the center ground between abstract strategy and day-to-day work.
How would you best describe your level of expertise when it comes to business models?