This document provides background information on the prophet Hosea. It states that Hosea prophesied around 730 BC in Israel and warned of coming destruction due to Israel's spiritual adultery and departure from God. It outlines the book of Hosea, including Israel's unfaithfulness against God, Hosea's marriage paralleling God's relationship with Israel, and Israel's corrupt political and religious situation resulting in punishment. The document notes lessons from Hosea, including that Israel was destroyed due to lack of knowledge, trusting the wrong sources, and committing grievous sins. It also discusses how Israel's leaders and priests were corrupt but the people were called to repentance.