Robert Papp

• The Box That Watch Found
• The Clue in the Corn Maze
• The Spy Game
• A Horse Named Dragon
• The Clue in the Recycling Bin
• The Game Store Mystery
• The Giant Yo Yo Mystery
• The Seattle Puzzle
• The Secret of the Mask
• The Ghost at the Drive-In Movie
• The Mystery of the Orphan Train
• The Spy in the Bleachers