THE 39 CLUES: UNSTOPPABLE #1: NOWHERE TO RUN Suclass Code_1JP Poison-pen letters are circulating the

Poison-pen letters are circulating the school

Written by one of the world's leading authorities on the topic

we learn what we can do to be more like them-and find out in some cases why it's good that we aren't

Richard Armstrong and Keith Townsend seemed to have little in common

THE 39 CLUES: UNSTOPPABLE #1: NOWHERE TO RUN Suclass Code_1JP Poison-pen letters are circulating theThe Cahill family has a secret. For five hundred years, they have guarded the 39 Clues thirty nine ingredients in a serum that transforms whomever takes it into the most powerful person on earth. If the serum got into the wrong hands, the disaster would rock the world. So certain Cahills have always made it their mission to keep the serum safe, buried, locked away. Until now.