Book of Amos in Wikipedia

The Book of Amos is one of the books of the Hebrew Bible. Amos was the first biblical prophet whose words were recorded in a book, an older contemporary of Hosea and Isaiah.[1] He was active c. 750 BCE during the reign of Jeroboam II.[1] He lived in the kingdom of Judah but preached in the northern kingdom of Israel.[1] His major themes of social justice, God's omnipotence, and divine judgment became staples of prophecy.[1] Without dispute, the Book of Amos has been accepted as canonical by Jews, the Eastern Orthodox, Roman Catholics, and Protestants...

Link: https://en.wikipedia.org/wiki/Book_of_Amos