Bells have played a prominent role in our society since the earliest of civilizations, yet few realize the scope of objects encompassed by this broad heading. While all bells share certain qualities--like the ability to produce sound--they vary amazingly in terms of size, shape, style, and material. A flat round Chinese gong is as much a bell as the graceful figurine hiding a swinging clapper beneath her skirt or a strap of round metal "sleigh bells"...