SPONGE so all my favorite books have already been listed but you should check out the night side series but Simon r Green. It's basically sci fi mystery with kick ass characters.

http://www.amazon.com/LORAC-Behind-Scenes-Shadow-Primer/dp/B008XN81LQ/ref=wl_it_dp_o_pC_S_nC?ie=UTF8&colid=1P537JXDNVWS4&coliid=I3SGXRVHUVZ4ZO

That primer would be really quite nice :)