Ooh, Wired Style: Principals of English Usage in a Digital Age appears to have been reissued and updated (at or on 28th December 1999. Unfortunately, looking at the reviews, this doesn't seem to be what I'm after. It's a glossary of modern terms (like 'email' with/without the hyphen, and the plural of 'mouse'). What I wanted was a guide to writing for the www: Single-topic paragraphs, differences from daily newspaper writing, that kind of thing. I'll have to take a look at the book before buying it.