The Book of Obadiah is an oracle concerning the divine judgment of Edom and the restoration of Israel. The text consists of a single chapter, divided into 21 verses, making it the shortest book in the Hebrew Bible.
In Judaism and Christianity, its authorship is attributed to a prophet who lived in the Assyrian Period and named himself in the first verse, Obadiah. His name means “servant of Yahweh”.
In Christianity, the Book of Obadiah is classified as a minor prophet of the Old Testament, due to its short length.
In Judaism, Obadiah is considered a “later prophet” and this Masoretic Text is chronologically placed in the Tanakh under the section Nevi’im in the last category called The Twelve Prophets.
The Book of Obadiah: [1]