Oh, I think I know the one you mean - the one that turns into a hardback stall on Thursdays? I don't often get to see it, but I've found some good stuff there, too. Nice finds!

I *think* it's 3rd March. She's there to talk about her new book (http://www.amazon.co.uk/exec/obidos/ASIN/0370328914). I've got a leaflet of their events on my desk at work; I'll check it later.