I have been searching for the name of this book for a while now. The plot is like this. Four teenagers go to a school in the U.K. There is a war breaking out, nowhere near them but they are concerned because one of their girlfriend's dad is fighting there. The shortest of them always gets beat up by what he refers to as "tracksuit" and the gang. He eventually gets saved by skinheads from them and takes revenge by shooting them. The other boy runs into his old girlfriend, whose mum he accidentally killed by mixing up her medication when trying to save her life. Throughout the book, there are extracts in italic explaining the war situation and the global warming situation. I thought the book was called End Game or something similar, but can't find it under that name. Any help would be greatly appreciated :)