The Traditional Order of OT Canonical Books according to the Talmud

The Law
Chronological (from the creation of the world to Moses' death): Genesis, Exodus, Leviticus, Numbers, Deuteronomy
The Prophets
Narrative books (from the entry into the Promised Land to the Babylonian exile): Joshua, Judges, Samuel, Kings
Oracular books (in descending order of size): Jeremiah, Ezekiel, Isaiah, The Book of the Twelve
The Writings
Lyrical/wisdom books (in descending order of size): Psalms (with Ruth prefixed), Job, Proverbs, Ecclesiastes, Song of Solomon, Lamentations
Narrative books (from the period of exile to the return): Daniel, Esther, Ezra–Nehemiah, Chronicles