Possible Clues:

• Blunder with signs of hesitation over strike-breaker
• Typo discovered after printing
• Mistake from sweetheart, curious embracing rogue
• Published correction
• Slip in a book
• Book boo-boo
• English knave into drink -- something wrong?
• Mixing a rum with half of bitter -- awful mistake
• Book correction
• Mistake translating “maturer”