Related Clues:

• Printing mistake
• ThiS, e.g.
• Key blunder
• Proofer's bane
• Editor's slip-ups
• Mistakes in print
• Novel flubs
• Printing goof
• Book boo-boos
• Tit for tat, maybe?
• There's one et 24-Across
• List of printing errors
• Editorial goofs
• Mistakes
• Keyboard slip