Those nice people at Lulu are doing a 25% off offer this week.
You have to type HAPPYUK in the promotions code box on the checkout.
That would mean that, if you (hypothetically) wanted to buy my complete works you could get them for about £20 (plus postage -- around £8?).
(You'd probably want to pick up Andrew Hickey's new book on comics and quantam physics and stuff at the same time, though.)
Which reminds me: I've stuck all my music reviews from last year in a little pamphlet. (Only 50 pages, probably not worth ordering specially. Mostly planning to give them away to people I think might give me free tickets / work / beer etc.)