Feed the Summer of Giles Plot Bunny

As I was reluctantly waking up this morning, I got the flash of a question about the Buffyverse. Remember that stupid throw away line in Chosen, where Giles says he has to "dig up" his sources "quite literally; some of them are dead." What do we know about talking to the dead in the Jossverse? ( Read more. )

And thanks to katekat1010 for the lovely selection of Giles icons; for some reason I had none. If anyone has other Giles icon sources, please let me know-- hers were the first I stumbled across. I'd like a Giles hugging Willow one, I think. You can go to my user pics to see what I have so far-- all the Giles ones are hers. Except kitten giles-- anyone know who made that? I need to credit it appropriately.