
| Order | Book | Date | Rating | |
|---|---|---|---|---|
| 1 | The Mystery of the Burnt Cottage | 1943 | 5 | |
| 2 | The Mystery of the Disappearing Cat | 1944 | 5 | |
| 3 | The Mystery of the Secret Room | 1945 | 2.5 | |
| 4 | The Mystery of the Spiteful Letters | 1946 | 5 | |
| 5 | The Mystery of the Missing Necklace | 1947 | 5 | |
| 6 | The Mystery of the Hidden House | 1948 | 5 | |
| 7 | The Mystery of the Pantomime Cat | 1949 | 5 | |
| 8 | The Mystery of the Invisible Thief | 1950 | 5 | |
| 9 | The Mystery of the Vanished Prince | 1951 | 4 | |
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| 10 | The Mystery of the Strange Bundle | 1952 | 0 | |
| 11 | The Mystery of Holly Lane | 1953 | 2 | |
| 12 | The Mystery of Tally-Ho Cottage | 1954 | 0 | |
| 13 | The Mystery of the Missing Man | 1956 | 5 | |
| 14 | The Mystery of the Strange Messages | 1957 | 5 | |
| 15 | The Mystery of Banshee Towers | 1961 | 5 | |