Check out the screen casts on Rails at BuildingWebApps . I've watched several and they have been exactly what I was looking for when learning rails. They start simple and keep adding more and more functionality.
The commentators move at a good pace and subscribing to the lessons is free.
If you want something that is built already build the sample application that comes with Agile Web Development on Rails, buy the pdf from pragprog.com, the latest version is set to work with Rails 2.2, so will work with 2.3 as all the basic features of the framework will be the same.
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.