Okay, the following explains why I've been a bit confused re the UK copyright situation - my Aus situation is as follows (which is not the UK way):
The excerpt is from Logan:
'For instance, because Australian copyright law follows the rule of the shorter term, we automatically know that a Public Domain book from the U.S. is also Public Domain in Australia.'
The link as provided by Pdurrant above:
http://www.publicdomaintreasurehunte...ks-in-the-u-k/
Thanks everyone for your help!