A Practical Guide for Teachers and Providers” is the first book to provide “a comprehensive, step-by-step overview of the widely used Pyramid Model Practices for infants and toddlers from birth to 3.

Builders of Egypt’s oldest known pyramid, the nearly 4,700-year-old Step Pyramid of Djoser at Saqqara ... hydraulic system stems from a computer model incorporating data on the pyramid ...

Little is known about Djoser, but the fact that he was able to build such a massive and innovative structure as the Step Pyramid suggests that during his reign Egypt was politically stable ...