i was suprised to see what some people rated this!!!i loved this is a great action packed book.there are tons of exiting parts in this mystery!!this is about nancy trying to find the people responsible for sending the notes to henri and helene fontaine and later on to stop the jewel smuggling and to find mr.koffs brief case and figure out why a women stole the scarlet slippers on helenes desk in the place she works for dancing ballet.this is a really good book despite some of the reveiws i would reccomend that you could buy it or if they have it at the library youcould check it out.