I would probably go if I was still living in West London.
But here are the details.
Meet
Terry Pratchett
I Shall Wear Midnight
WATERSTONE'S PICCADILLY
Wednesday, 1 September 2010, 11:00PM
Tickets £9.50, to include a copy of 'I Shall Wear Midnight'. To book tickets please call 020 7851 2419. Lines are open Mon - Fri 9am - 5pm only.
Join us & Sir Terry Pratchett at the official midnight launch of his new Discworld novel, 'I Shall Wear Midnight'. Tickets are limited please book early to avoid disappointment. Entry without a ticket will not be allowed. Strictly one copy of 'I Shall Wear Midnight' will be signed per person, signature only, no dedications. Tickets holders to arrive no earlier than 10.30pm
Further details: 020 7851 2419