I'm sure that some of the most basic and universal principles in this work help create the backbone of modern warfare.  I don't know of any specifically, but I think that the importance of cleverness and deception are probably still pretty important.

Other works by Sun Tzu haven't arisen, yet.  It's entirely possible there are other works out there in an ancient tomb or library we haven't found yet.  This was the culmination of years of experience.  It would be foolish to assume this is the only work he ever wrote pertaining to warfare.

The original was written in chinese characters on thin pieces of bamboo which were helkd together by woven string.  It didn't have any pictures.  Who knows, maybe there's a picture book accompanying this work that we just haven't found yet.