You have probably already done something about it by now since you asked your question long ago. But on the off chance you still want to clean your furniture. Try the steps in my hub.
The stuff I used to restore the furniture from ugly scratches and water stains will probably work for nicotine stains as well.
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.