Link: Scrum and XP from the Trenches

No matter if you are developer, PM, or CIO and you don't know what agile/Scrum/XP is, you are thinking about applying, or you are already practicing - you should check out "Scrum and XP from the Trenches (pdf)" report from Henrik Kniberg. Henrik describes how they applied Scrum and XP practices in real life and presents the adaptation needed in this situation. Excellent Writing!