If you're looking for help on something specific on this blog the best way is to use the tags on the right hand column. This only displays some of the tags so click on 'View all XXX tags' to see the full list.
Posts are tagged in all sorts of ways, but the resulting web addresses are pretty consistent. To see all articles giving help on Freedom of Information (FOI), for example, go to:?
For posts on Environmental Information Regulations (EIR):
The Audit Commission Act:
Computer Assisted Reporting:
And so on.
If there's an area that's not covered that you'd like us to cover, please leave a comment to let us know. And if you'd like to contribute your own post, all the better!