Quirky and idiosyncratic, this sandbox-y setting reminds me a lot of the sword-and-sorcery fiction of the 60s and 70s, with a faint resemblance to Moorcook and Bakshi along the way. The area could be explored and rushed through is a few sessions, or an imaginative GM could spin things out much longer.
I liked everything that was here, but came away with a vague feeling like something was missing. The four factions that occupy the Dunes could all use some additional development, and some additional plot elements setting them in motion would really make this a 5 star product in my opinion.
I would easily rate this 4 1/2 stars if I could.
[4 of 5 Stars!]