The books of the Hebrew Bible are arranged as follows:
The Torah or Law: Genesis, Exodus, Leviticus, Numbers, Deuteronomy.
The Former Prophets: Joshua, Judges, Samuel, Kings.
The Latter Prophets: Isaiah, Jeremiah, Ezekiel, the Twelve (i.e., the ‘minor prophets’ from Hosea to Malachi)
The Writings: these are not in the same order in all editions of the Hebrew Bible, but they always begin with the Psalms, followed by Job and Proverbs in either order; then come the ‘five Megilloth (scrolls)’ in various orders: Ruth, Song of Songs, Ecclesiastes or Qoheleth, Lamentations, Esther; then Daniel, Ezra-Nehemiah, and Chronicles.
Many scholars use the term ‘Hebrew Bible’ in place of ‘Old Testament’ because biblical scholarship is an enterprise shared by Christians and Jews, and ‘Old Testament’ is a specifically Christian term which goes with ‘New Testament,’ and may be held to imply that the New Testament supersedes the Old. Jewish scholars often simply call it the Bible. But strictly speaking ‘Hebrew Bible’ and ‘Old Testament’ do not mean the same thing, because particularly for Catholic and Orthodox Christians the Old Testament includes books that are not part of the Hebrew Bible, which Protestants call the Apocrypha and Catholics the deuterocanonical books.