From the day Emily rescued her dog Zack, they have always shared a special connection. But it's more than special--they can read each other's minds. And since Zack can sense when someone is in danger, they've been using their special power to help save people. But now Emily and Zack have discovered something new. They can see ghosts And one ghost in particular needs their help. Shocked by her new discovery Emily is determined to find out who this...