Possible Clues:

• Better Than ___ ('Good' band)
• It begins ''Now in the first year of Cyrus . . .''
• Pound with a metric system
• Prophet who led Jews back to Jerusalem
• End of Jazz Age covered in book
• See 46-Across
• Biblical author
• Biblical figure whose name means 'help'
• Political writer/blogger Klein
• Pound of poetry produced by generation embracing the third unknown quantity