 | Mystery on the Mississippi | |
 | The Case of the Close Encounter | Paperback |
 | The Clue in the Classroom | |
 | The Secret in the Sand Castle | Paperback |
 | The Secret of the Stolen Puppies | Paperback |
 | Trouble in Toyland | Paperback |
 | The Case of the Crooked Contest | |
 | The Case of the Crying Clown | |
 | The Chocolate-Covered Clue | Paperback |
 | The Mystery of the Missing Mummy | |
 | The Secret of the Stolen Clue | |
 | The Secret of the Sunken Treasure | |
 | The Case at Creepy Castle | |
 | The Case of the Disappearing Dinosaur | |
