Their desperate hunt for the 39 Clues lies behind some of history’s biggest enigmas – the curse of the Hope diamond, the race to summit Mt. Everest, the wild life and death of Harry Houdini. And now – finally – the secrets are out. With an introduction by Rick Riordan, The 39 Clues: The Black Book of Buried Secrets reveals the shocking truth about history’s most notorious family.In full, lush color, The 39 Clues: The Black Book of Buried Secrets lays bare each hidden fact, concealed strategy, top agent, lost founder, secret base and hushed-up scandal of the Clue hunt. This complete guide to the Cahills contains information on all five branches, including the notoriously elusive Madrigals. The must-know information includes:-Full files on the enigmatic Man in Black.-The true purpose of the Madrigal branch.-The complete story of the fire that split the original Cahill family.-The truth about the night Hope and Arthur Cahill died.-Open access to the secrets of the Lucian, Ekaterina, Tomas and Janus branches.It’s never too late to join the hunt – especially with The 39 Clues: The Black Book of Buried Secrets to provide complete access to the Cahill’s most deeply-buried secrets.http://www.scholastic.com/kids/39clues/http://www.the39clues.com/