In reply to Blue Straggler: Also he seems to think there's a publisher called "Blue Guide" who do city guidebooks, and that I could get a "Blue Guide to Dresden" - google and amazon are failing me here - any tips?
They don't do a Dresden guide
See here:
http://www2.wwnorton.com/subject/travel.htm
This'll be their closest match
Anne Massey
Blue Guide Berlin and Eastern Germany