Blizzard Entertainment signed copies of Diablo III: Book of Cain this weekend, on Saturday, at the Book Soup in West Hollywood, Los Angeles. At the event were Chris Metzen, Flint Dille (The Transformers), Micky Neilson, Matt Burns, and Mark Gibbons (Red Knuckle).

Here are some photos courtesy of Blizzard Entertainment Licensing Project Manager Kat Hunter. Contact us to submit your own photos or videos of this event.