Question: what's the last book of the old testament
Answer: Malachi ( or Malachias ; Hebrew : מַלְאָכִי ‎ , Malʾaḫi , Mál'akhî ) is the last book of the Neviim contained in the Tanakh , the last of the Twelve Minor Prophets ( canonically ) and the final book of the Neviim .