If you're looking for resources about London 2012 Olympics, then you MUST check out what the British Council has prepared.
To have an overview on everything they offer, you can click here and go to their official website.
On London 2012 International Education Programme (click here), you'll find lots of very rich resources, including downloadable PDF files (in order to do that, you first have to register).
Another great resource is this free manual about the History of the Olympic Games (click here).
Of course, there is a lot more to explore. But this might be a very good start.
Let the Games begin!
