<Ul> <Li> Tobit </Li> <Li> Judith </Li> <Li> Additions to Esther </Li> <Li> 1 Maccabees </Li> <Li> 2 Maccabees </Li> <Li> Wisdom of Solomon </Li> <Li> Sirach </Li> <Li> Baruch / Letter of Jeremiah </Li> <Li> Additions to Daniel </Li> </Ul> <Li> Additions to Esther </Li> <Li> Wisdom of Solomon </Li> <Li> Baruch / Letter of Jeremiah </Li>

What is the purpose of the book of zechariah