Book of Numbers twelve princes, one of each tribe. The majority of modern biblical scholars believe that the Torah (the books of Genesis, Exodus, Leviticus, Numbers, and Deuteronomy) reached its present form in the post-Exilic period (i.e., after c.520 BCE), based on pre-existing written and oral traditions and "contemporary geographical and demographic details but even more importantly from contemporary political realities". The five books are often described as being drawn from four "sources" - schools of writers rather than individuals - the Yahwist and the Elohist (frequently treated as a single source), the Priestly source and the Deuteronomist. There is ongoing dispute over
Book of Exodus accept God as a cause of events, but in Exodus, everything is presented as the work of God, who appears frequently in person, and the historical setting is only very hazily sketched. The purpose of the book is not to record what really happened, but to reflect the historical experience of the exile community in Babylon and later Jerusalem, facing foreign captivity and the need to come to terms with their understanding of God. Although mythical elements are not so prominent in Exodus as in Genesis, ancient legends have an influence on the book's content: for example, the story of