Postscript: hey cool, just as I posted today's emo comic I spotted THIS:

Click for review of steampunk-styley 'Leviathan'.
http://undergraduation.wordpress.com/2011/06/11/book-review-leviathan-by-scott-westerfeld/

Robert Boyd *regularly* posts all kinds of critiques on his blog
http://thegreatgodpanisdead.blogspot.com
and kindly provided yet another review.

Remember, you don't have to be as extensive. You could try a new restaurant and write up a paragraph. All good.