This release introduces two new chapters:

Writing Software that Matters

Having laid out the case for Behaviour Driven Development in The Case for BDD, this new chapter explores the principles and strategies that BDD brings to the Agile table.

Mock Objects

One of the most complex and controversial topics in developer testing is that of Mock Objects. In this new chapter, Mock Objects, we review some basic terminology and explore the underlying motivations for two essential tools in the BDD toolkit: test stubs and mock objects.