Id say there would be many different ways to go about this, however I would search all tables at once, and display the results in order of relevance. To be honest I have never needed to do this for more than two tables, but perhaps the following link will help you with your MySQL queries link text.
Please be more specific with your question.
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.