Possible Clues:

• Dim male could create a problem
• Difficult situation - may have horns
• Rejection of top novel proving problem
• Lifting hat to girl's a problematic situation
• Problem having maimed another 50 inside
• Back cover for novel, puzzle for doctor in play
• Puzzle book — turn cover first
• Raising hat to a girl presents a problem
• Raising a hat to a lady could be a problem
• Difficulty (with two choices?)