Related Clues:

• Not used
• Untried
• Bookstore section
• Powerful ad word
• Just discovered
• Huxley's ''Brave --- World''
• Hot off the press
• Still in the box
• Opposite of 37-Down's solution
• Modern
• Without precedent
• With 40-Across, modern
• Trendsetting
• Unaccustomed (to)
• King's work