I recall some 20 hours of lessons on an RSS feed (can't find it now) but some practice I am sure is needed also but these guys have some 60 odd examples http://www.appcoda.com/ios-programming-c...
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.