| # | Book Title | Author | ||
|---|---|---|---|---|
| 1 | Mystery of the Gold Coin, The | Paris, Harper | ||
| 2 | Mystery of the Mosaic, The | Paris, Harper | ||
| 3 | Mystery of the Stolen Painting, The | Paris, Harper | ||
| 4 | Mystery in the Forbidden City, The | Paris, Harper | ||
| 5 | Mystery of the Lion's Tail, The | Paris, Harper | ||
| 6 | Mystery of the Suspicious Spices, The | Paris, Harper | ||
| 7 | Mystery Across the Secret Bridge, The | Paris, Harper | ||
| 8 | Mystery at the Coral Reef, The | Paris, Harper | ||
| 9 | Mystery of the Icy Paw Prints, The | Paris, Harper | ||
| 10 | Mystery of the Secret Society, The | Paris, Harper |