We're having a "flash-mob" cataloging party November 15th, Saturday, in Beverly, MA (just north of Boston). We'll descend on St. John's Episcopal Church, catalog their 1,200-odd books, eat some pizza, talk some talk and leave them with a gleaming new LibraryThing catalog. Books, bibliophiles, conversation, barcode scanners, pizza! (Not to mention Mike, Sonya, Tim, maybe Abby, with a slight chance of Liam.)Why: Quite a few small libraries use LibraryThing as their catalog—schools, churches, synagogues, Masonic temples, companies, museums, and even a couple of embassies! They find…