- Costs: 70 cash
- Increases the 175 population limit by 50.
It's the largest and most significant library of the ancient world. It flourished under the patronage of the Ptolemaic dynasty and functioned as a major center of scholarship from its construction in the 3rd century BC until the Roman conquest of Egypt in 30 B What is known of the Alexandria Library is a mixture of history and myth. The library's purpose was to show off the wealth of Egypt, and less so as a place of research, but the knowledge of the library was used to aid the ruler of Egypt.