A book I contributed to with Jeff Pettis and John McGuckin called Seeing the God: Ways of Envisioning the Divine in Ancient Mediterranean Religion from Gorgias Press has finally gotten into the pre-ordering and previewing sections of different websites. You might want to check out pp. 147-188 especially, for my chapter on "To See God and Live in Late Antique Judaism." It is definitely a book to order for your libraries.
Update: I just received my contributor's volume, and so it should not be long now.
HTS 69:1 (2013)
12 minutes ago