The Book of Joshua is a book in the Hebrew Bible and the Christian Old Testament. It narrates the story of the Israelites' conquest of the Promised Land after the death of Moses. The book details the military campaigns led by Joshua, who was appointed as Moses' successor, and describes the division of the land among the twelve tribes of Israel. The book is divided into two main sections: the first focuses on the conquest of various cities, including Jericho and Ai, while the second part deals with the allocation of land to the tribes. It emphasizes themes of faith, obedience, and the fulfillment of God's promises to the Israelites.