Where can I learn about the order of Mass?

How did the order of Mass come to be ? I would like to know why we do everything when we do. As in why we read the Readings before the Gospel, and the origin of the Altar servers.

This link should be give you the answer you need. If you have any further questions or concerns that are not answered by this link, please contact Catholic Answers directly.
**Recommended Reading:
** http://shop.catholic.com/media/catalog/product/cache/1/small_image/210x210/9df78eab33525d08d6e5fb8d27136e95/b/i/biblical-walk-through-mass.jpg
A Biblical Walk Through The Mass (Book)

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