Where: the Manchester Grand Hyatt. They're taking walk-ins and you can also register upstairs in the Sails Pavilion.What: the Robert A. Heinlein Blood Drive, which is San Diego Blood Bank's longest running event.
How: just walk down to the Hyatt from 9:00 - 6:00 today or tomorrow or 10:00 - 3:30 Sunday. They'll take care of everything else. The whole thing takes about an hour.
What you get: a True Blood t-shirt, free books, bloody fang hole neck tattoos and various lottery drawings, and lots of cookies and juice.