What is the 38 book of the bible called?

According to the New King James Version (NKJV) of The Bible there are 39 books in the Old Testament so the 38th book is called Zechariah.

•Genesis

•Exodus

•Leviticus

•Numbers

•Deuteronomy

•Joshua

•Judges

•Ruth

•1 Samuel

•2 Samuel

•1 Kings

•2 Kings

•1 Chronicles

•2 Chronicles

•Ezra

•Nehemiah

•Esther

•Job

•Psalm

•Proverbs

•Ecclesiastes

•Song of Solomon

•Isaiah

•Jeremiah

•Lamentations

•Ezekiel

•Daniel

•Hosea

•Joel

•Amos

•Obadiah

•Jonah

•Micah

•Nahum

•Habakkuk

•Zephaniah

•Haggai

•Zechariah

•Malachi