The document discusses the biblical book of Leviticus. It provides background information on the author (Moses), date of writing (1446-1406 BC), theme (what it means to live as God's holy people), and setting (the Israelites camped at Mount Sinai receiving God's instructions). The document also summarizes key topics in Leviticus like sacrifice, the priesthood, purity laws, and the Day of Atonement. It outlines the structure of Leviticus into laws governing sacrifice and sanctification.