Just to add, both the LDCs and Efreeti are in the Per-Level Guide, and Efreeti actually has a "sub-guide" which was written by a Shaman:
http://wiki.project1999.com/Nagafen%...r_Efreeti_Room
When you get to that camp (in a few levels) you may find that link useful. But to be clear, I can't take any credit: it was iruinedyourday's guide.