Large meetings of book trade professionals where publishers come to exhibit their latest titles and to buy/sell rights; where printers, distributors, library suppliers, content aggregators and many others (like Google and Microsoft) aim to sell their services to publishers; and where librarians, booksellers, authors, agents and (often at restricted times) the general public come to browse.
The world’s leading book fair is held each October in Frankfurt but every month there will be several fairs held somewhere in the world, most regional but some specializing in a specific type of publishing (most notably Bologna for children’s publishing).
More about the Frankfurt Book Fair is found in the post below and in a forthcoming post.
This definition is extracted (and expanded on) from the book Getting Published: A Companion for the Humanities and Social Sciences by Gerald Jackson and Marie Lenstrup. It was first referred to in the blog Getting Published in a post reporting on the 2008 Frankfurt Book Fair and book fairs in general.