References about AppleScript Studio

Hi all, administrators: would it be a pretty idea to place, as the first post a newbie can find in this thread, a series of good references where one can learn basics, and something more, on AppleScript Studio? As such a newbie I dare to recommend XCode User Guide (format pdf) from Apple ( which has the merit of being updated for XCode 3 that, as all of you know, has an interface a little bit different from former versions. Best greetings.