This weekend, San Francisco hosts the 42nd California International Antiquarian Book Fair at the Concourse Exhibition Center at 635 8th St. at Brannan. This major book fair attracts dealers from around the US and Europe with their wares - it is the largest book fair in the country, and alternates years between SF and LA. All sorts of books and related objects will be on display (and for sale) - from rare European works to books about California and the West, juvenile literature, and signed first editions.
I'll be there, as will Stanford's Rare Books Librarian, John Mustain. It is usually a very interesting day, and vendors are happy to chat and show you their wares.
If you are interested in attending, I have a few extra entry tickets that I'd be happy to offer up. Just let me know if you are interested by Thursday.
More information is available on the website.