Attention all Gryffindors, Ravenclaws, Hufflepuffs, Slytherins, Marauders, Death Eaters, Ministry officials, house elves, goblin bankers, Quidditch teams, people in pointed hats, and even the well-informed muggle: Harry Potter author J.K. Rowling is coming to Toronto.

The Globe is reporting that Rowling will make her only Canadian visit in support of Harry Potter and the Deathly Hallows (a novel in dire, dire need of publicity) on October 23rd at the Wintergarden Theatre. Raincoast Books, who publish the Canadian editions of the Harry Potter series, is hosting the event.

To avoid what would almost certainly be a ticket-buying riot, there will be no tickets for sale; seats for the all-ages event will only be available through random draws and via libraries and school boards. Ten double-passes will be awarded daily starting today and running through September 28 on the Raincoast web site, at raincoast.com/harrypotter.

You're allowed to enter once a day until the end of the contest, so it's time for the Potter-faithful to start showing how much damage an internet-based fan culture can do to a web server when they really, really want something.