Unstructured, unpredictable human processes make up the bulk of processes in today's organizations. This is the kind of work carried out by knowledge workers using email, documents and meetings. Adaptive case management is an approach to managing these processes, and the book "Mastering the Unpredictable" brings together a number of thought leaders in this new emerging area. This presentation is on the second chapter - "What to do When Modeling Doesn't Work?"