• The Protestant Bible is divided into 66 books, with 39 in the Old Testament and 27 in the New Testament.
• It was written by approximately 40 authors, over perhaps a period of 1,600 years.
• All books in the Old Testament were written before Jesus was born and the ones in the New Testament were produced after he was born.
• For the Old Testament books can be divided into the classifications of history, poetry and prophecy.
• The historical books record the Jewish people's history from creation up to approximately 600 B.C.
• The first five books of the Bible are also know as the Pentatech, or also as the Books of Moses.
• After the book of Esther, Job to Solomon are more geered to be devotional and for instruction.
• From Isaiah to Malachi, the next 16 books are books of prophecy.
• In the Bible, there are 4 major propehts: Isaiah, Jeremiah, Ezekiel and Daniel. Also, there are 12 minor prophets: Hosea-Malachi.
• For the New Testament there are gospels, which are Matthew, Mark, Luke and John (gospel means "good news").
• Acts is a history book for the early church, for its first 30 years approximately.
• Romans to Jude are epistsles, which means letters.
• Finally is the Book of Revlation, which is a propehcy book.

Reference: https://biblerr.com/how-is-the-bible-organized