Related Clues:

• Vague
• Hitherto unknown
• Puzzling
• Dim
• Original
• London production
• Wonderfully different
• Hard to interpret
• Indistinct
• New
• 'The Catcher in the Rye,' e.g.
• Not well-known
• It could lead to an advance
• Writer's work
• "Catch-22" or "Mila 18"