Examine clues to the lives of ancient societies from the most awesome of man-made structures - pyramids. Combining extreme mass with astonishing precision, pyramids overshadowed all other man-made structures for 4,000 years, yet they were built with simple tools made of wood and stone. From broken bones to cracked codes, The Ultimate Guide: Pyramids profiles the science behind these fascinating structures, while examining the powerful societies that produced them. From the religious rites of the Egyptians to chilling sacrificial practices of the Mayans and Aztecs, explore the pyramid's pivotal role in civilization.