The Book of Daniel is a book in the Hebrew Bible

Hebrew Bible

The Hebrew Bible is a term used by biblical scholars outside of Judaism to refer to the Tanakh , a canonical collection of Jewish texts, and the common textual antecedent of the several canonical editions of the Christian Old Testament...

. The book tells of how Daniel

Daniel

Daniel is the protagonist in the Book of Daniel of the Hebrew Bible. In the narrative, when Daniel was a young man, he was taken into Babylonian captivity where he was educated in Chaldean thought. However, he never converted to Neo-Babylonian ways...

, and his Judean companions, were inducted into Babylon

Babylon

Babylon was an Akkadian city-state of ancient Mesopotamia, the remains of which are found in present-day Al Hillah, Babil Province, Iraq, about 85 kilometers south of Baghdad...

 during Jewish exile, and how their positions elevated in the court of Nebuchadnezzar. The court tales span events that occur during the reigns of Nebuchadnezzar, Belshazzar

Belshazzar

Belshazzar, or Balthazar , was a 6th century BC prince of Babylon, the son of Nabonidus and the last king of Babylon according to the Book of Daniel . Like his father, it is believed by many scholars that he was an Assyrian. In Daniel Belshazzar, or Balthazar , was a 6th century BC prince of...

, and Darius the Mede

Darius the Mede

Darius the Mede is a biblical person in the Book of Daniel, Chapters 6-9, who rules over Babylon after King Belshazzar is deposed. The author of the book of Daniel indicated that Darius was about 62 years old when he was 'made king over Babylon.[5:31] He is best known for having been forced into...

. The book concludes with four Divine prophetic visions.

The introduction of the Book of Daniel is written in Hebrew, the body is written in Biblical Aramaic

Biblical Aramaic

Biblical Aramaic is the form of the Aramaic language that is used in the books of Daniel, Ezra and a few other places in the Hebrew Bible and should not be confused with the Aramaic translations of the Hebrew Bible known as targumim....

, then the Masoretic text

Masoretic Text

The Masoretic Text is the authoritative Hebrew text of the Jewish Bible and is regarded as Judaism's official version of the Tanakh. While the Masoretic Text defines the books of the Jewish canon, it also defines the precise letter-text of these biblical books, with their vocalization and...

 concludes the book with a return to Hebrew.