Possible Clues:

• Slip back into the gun room
• Writing in great novel? An Attic Room With a View, perhaps!
• A room at the top
• 'La Bohème' setting
• Perhaps get a doubler where there's room at the top
• Small top-floor room
• What's so great about R is that it's tops
• Top floor room
• Attic, room at the top
• Cramped living space