Liquid Book (in progress, updated throughout the class)
A preliminary, evolving version is avail here.
Preliminaries and importance of process-driven approach:
What Lucy Taught Us: A Management Fable about Improving Your Business One Process at a Time
by Walter T. Geer Jr., 2009
Lean Integration: An Integration Factory Approach to Business Agility, by Schmidt and Lyle, 2010.
Process modeling
Business Process Mapping: Improving Customer Satisfaction
by J. Mike Jacka and Paulette J. Keller, 2009
by Kapil Pant and Matjaz Juric