"BDD In Action" is a book that aims to cover the full spectrum of BDD practices from requirements through to the development of production code backed by executable specifications and automated tests.
On the occasion of Selenium's 10th Birthday Celebration, a bunch of ThoughtWorkers have compiled an anthology of essays on testing approaches, tools and culture. This anthology of essays is available as an eBook, titled - "Perspectives on Agile Software Testing".
Continuous Integration has become a standard development best practice - but it's not always done well. InfoQ presents advice and examples in Chapter 6: Continuous Testing from a new CI book. 4
TDD principals provide architects a way to quickly jump into active development early in the application development lifecycle. Dan Bunea demonstrates how TDD can be applied in .NET. 5
Jeff Xiong shows how to use Selenium, a browser-based acceptance testing tool, to test Ajax apps. 8