You Have to Stop This

In the fifth and final installment of the 'Secret' series, our heroes must go on a desperate search to find the secret of immortality before it falls into the wrong hands. They must face mummies, the Serpent, and the mysterious Secret Keeper to finally uncover the truth. A class trip to the local natural history museum turns dangerous when Cass accidentally breaks a finger off a priceless mummy. Forced to atone for this 'crime' of vandalism, Cass and her friends Max-Ernest and Yo-Yoji work for the mummy exhibit's curator, only to be blamed when tragedy strikes. To clear their names and discover the Secret, the trio must travel deep into a land of majestic pyramids, dusty tombs, mysterious hieroglyphs, and the walking dead. Amidst all, the Secret still lurks, and now the narrator's life and chocolate supply is in the greatest danger yet.