Good MPLS/VPLS book?

Does anyone have a favorite book or resource discussing MPLS and all associated Lego blocks (e.g. LDP, TE, VPLS, martini, mBGP et. al.)? I understand the basics of what MPLS is and how you create a circuit from A to B but I'm afraid it still escapes me when trying to figure out how someone would, say, create a multicast capable VPN with 5 edge points. Any pointers to a good way to reduce my level of ignorance on this subject would be appreciated. Vendor literature doesn't bother me as long as the concepts are there. Regards, Michael H.