The Mummy"s Secret Jan and Jenny visit the Museum of Man in Balboa Park in San Diego, California (their hometown) with their classmates and teacher, Mrs. Murrary, and find something they didn"t expect to find when they mistakenly enter a strangely shaped room through a revolving door that is marked "Secret Chamber." Although they thought this was merely a new exhibit they mistakenly entered, they are surprised to fi... Full description