The Book of Job, or simply Job, is a book found in the Ketuvim section of the Hebrew Bible and the first of the Poetic Books in the Old Testament of the Christian Bible.
Papyrus Oxyrhynchus 3522 (dated to the 1st century CE) contains a partial translation of Job 42 into Koine Greek.
A scroll of the Book of Job, in Hebrew
Job's Tormentors from William Blake's Illustrations for the Book of Job
Job and His Friends by Ilya Repin (1869)
Behemoth is a beast from the biblical Book of Job, and is a form of the primeval chaos-monster created by God at the beginning of creation. Metaphorically, the name has come to be used for any extreme
Book of Job
…of understanding of the workings of the cosmos and of the ability to maintain it. The second speech concerns God's role in controlling the formidable 'behemoth' and 'leviathan'. Job's reply to God's final speech is longer than his first and more complicated. The usual view is that he admits to being wrong to…
Behemoth as depicted in the Dictionnaire Infernal by Collin de Plancy
Behemoth and Leviathan, watercolour by William Blake from his Illustrations of the Book of Job (1805).
Leviathan the sea-monster, with Behemoth the land-monster and Ziz the air-monster. "And on that day were two monsters parted, a female monster named Leviathan, to dwell in the abysses of the ocean over the fountains of the waters. But the male is named Behemoth, who occupied with his breast a waste wilderness named Duidain." (1 Enoch 60:7–8)