Related Clues:

• Sir or madam
• Storyline
• ''The Odd Couple,'' e.g.
• Novel need
• It may be hatched or thickened
• Best-seller list entry
• Story line
• Paranoid's fear
• Appellation
• Line on a spine
• Earl or viscount
• Builder's purchase
• A good one will thicken
• Kind of role
• Every song has one