Blender's database system

I was just wondering where I could find a more extensive documentation about this subject. I remember reading somewhere that understanding this aspect of Blender is just as important as any. I think it was a thread started by bugman_2000 (Tony Mullen) about his forthcoming book on animation. Okay, when is this book going to come out?

Also, the projected BSOD about the same subject hasn’t gone anywhere.

http://mediawiki.blender.org/index.php/BSoD/Introduction_to_the_Blender_Database

Perhaps http://mediawiki.blender.org/index.php/Manual/Library_and_Data_System ?