Late several wars

I made a big mistake by purchasing this item: I owned the 2004 and I thought it was the 2012 edition In reality it is the 2002 which overlap with the 2004 C is exactly the same document, the letter almost only the coverage and dates have been changed (2004 replaces 2002). I do not understand that this book can still be offered for sale. I have done the next time I will look more carefully .....