Linq-to-Sharepoint does not support joins. A sharepoint list is not a separate table in the actual database, the actual data model of sharepoint is not the point, but you should keep in mind that what's a logical and cheap operation in plain SQL is not that easy per se in CAML, and every Linq-to-Sharepoint query is ultimately converted to CAML.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.