MUMMY， MUMMY， WHO S GOT THE MUMMY? It s not a terribly valuable mummy， but its disappearance spells big trouble for Phineas and Althea s father， who is the curator of a small collection of Egyptian antiquities bequeathed to the college where he works. A whispered phone call leads Phineas and Althea to the vandalized mummy without revealing the identity of the thief. Then someone far more important to Phineas than a fifteen-hundred-year-old mummy vanishes. In spite of what the police think， he knows his sister would not have run away， and he knows she s in grave danger. But can he unravel the mystery in time to save her life?