The first book to describe various types of government and citizenship was?

The first book to describe various types of government and citizenship is often considered to be "The Republic" by Plato, written around 380 BCE. In this philosophical work, Plato explores different forms of government, including aristocracy, timocracy, oligarchy, democracy, and tyranny, while also discussing the concept of justice and the ideal state. His dialogues delve into the nature of citizenship and the role of individuals within society. This foundational text has significantly influenced political thought throughout history.