The Mystery of the Whispering Mummy

The Three Investigators discover a sinister clock with an alarm that sounds like the scream of a woman in mortal terror. Who could have made such a clock -- and why? Jupiter, Pete, and Bob immediately embark on a search to discover the origins of the mysterious clock. When they come across a run-down house in Hollywood, they find an entire room full of dreadful clocks -- with time running out!