• Horrible Harry Says Goodbye
• Horrible Harry at Halloween
• Horrible Harry in Room 2B
• Horrible Harry and the Dungeon
• Horrible Harry and the Scarlet Scissors
• Horrible Harry and the Top-Secret Hideout
• Horrible Harry and the Wedding Spies
• Horrible Harry and the Kickball Wedding
• Horrible Harry and the Triple Revenge
• Horrible Harry and the Missing Diamond
• Horrible Harry and the Birthday Girl
• Horrible Harry Cracks the Code
• Horrible Harry and the Battle of the Bugs
• Horrible Harry and the Mud Gremlins
• Horrible Harry and the Dragon War
• Horrible Harry and the Stolen Cookie
• Horrible Harry and the Holidaze
• Horrible Harry Goes to Sea