The Agile FAQ has provided some information on what team working agreements and ground rules are in this article.

Steve Freeman provides this article on how playing music relates to programming.

Lisa Crispin provides a couple of good stories about her experience on teams and the ratio of testers to developers in this blog entry.

Dhaval Panchal defines and provides usage scenarios for capturing, using, and misusing velocity in this article.

Here is the video of Brian Marick’s keynote talk at Agile Development Practices 2008.

Elisabeth Hendrickson describes a classroom situation that shows pitfalls of the “hero” attempting to do too much in this article.

In her Agile Testing class, Elisabeth Hendrickson conducts an exercise called the WordCount Simulation that is described in detail with this blog post.

Brian again provides an essential work to the Agile community. Find out how to “work with ease” reading the text of his keynote from the Agile Development Practices conference here.

The “Tasty Cupcakes” site has a plethora of experiential learning games that may be of interest to teams, coaches, and trainers.

This article describes a presentation from Mitch Lacey on “When Working Software is Not Enough: A Story of Project Failure” with significant details about what lead to the failure.