From publisher's homepage:
This supplement includes the following material:
° A discussion of Ob-lob culture, values, religion and habits.
° Two sets of their martial secrets, both for unarmed fighting and for using wickedly sharp 'hell hooks.'
° Aqueous Divination, a system of magical fortune-telling, along with discussion of just how to handle foreknowledge in your game.
° One-Roll Ob-lob character generation.