You Have to Stop This

The finale to the New York Times bestselling Secret Series! I always feared this day would come. A secret is meant to stay secret, after all. And now we've come to this: the fifth and final (I swear!) book in my saga of secrets. A class trip to the local natural history museum turns dangerous, or perhaps deadly--and I don't mean in the bored-to-death way--when Cass accidentally breaks a finger off a priceless mummy. Forced to atone for this ""crime"" of vandalism, Cass and her friends Max-Ernest