Series reading guide · updated 2026
Duke De Richleau Books in Order
Every Duke De Richleau book in publication order — 22 in total, spanning 1933–1972.
Publication Order of Duke de Richleau Books
| # | Title | Year | Get it |
|---|---|---|---|
| 1 |  The Forbidden Territory | 1933 | Amazon US UK |
| 2 |  The Devil Rides Out | 1934 | Amazon US UK |
| 3 |  The Golden Spaniard | 1938 | Amazon US UK |
| 4 |  Three Inquisitive People | 1940 | Amazon US UK |
| 5 |  Strange Conflict | 1941 | Amazon US UK |
| 6 |  Codeword - Golden Fleece | 1946 | Amazon US UK |
| 7 |  The Second Seal | 1950 | Amazon US UK |
| 8 |  The Prisoner in the Mask | 1957 | Amazon US UK |
| 9 |  Vendetta in Spain | 1961 | Amazon US UK |
| 10 |  Dangerous Inheritance | 1965 | Amazon US UK |
| 11 |  Gateway to Hell | 1972 | Amazon US UK |
| # | Title | Year | Get it |
|---|---|---|---|
| 1 | The Forbidden Territory | 1933 | Amazon US UK |
| 2 | The Devil Rides Out | 1934 | Amazon US UK |
| 3 | The Golden Spaniard | 1938 | Amazon US UK |
| 4 | Three Inquisitive People | 1940 | Amazon US UK |
| 5 | Strange Conflict | 1941 | Amazon US UK |
| 6 | Codeword - Golden Fleece | 1946 | Amazon US UK |
| 7 | The Second Seal | 1950 | Amazon US UK |
| 8 | The Prisoner in the Mask | 1957 | Amazon US UK |
| 9 | Vendetta in Spain | 1961 | Amazon US UK |
| 10 | Dangerous Inheritance | 1965 | Amazon US UK |
| 11 | Gateway to Hell | 1972 | Amazon US UK |
Every title by year All 22, oldest to newest
| # | Title | Year | Get it |
|---|---|---|---|
| 1 | The Forbidden Territory | 1933 | Amazon US UK |
| 2 | The Forbidden Territory | 1933 | Amazon US UK |
| 3 | The Devil Rides Out | 1934 | Amazon US UK |
| 4 | The Devil Rides Out | 1934 | Amazon US UK |
| 5 | The Golden Spaniard | 1938 | Amazon US UK |
| 6 | The Golden Spaniard | 1938 | Amazon US UK |
| 7 | Three Inquisitive People | 1940 | Amazon US UK |
| 8 | Three Inquisitive People | 1940 | Amazon US UK |
| 9 | Strange Conflict | 1941 | Amazon US UK |
| 10 | Strange Conflict | 1941 | Amazon US UK |
| 11 | Codeword - Golden Fleece | 1946 | Amazon US UK |
| 12 | Codeword - Golden Fleece | 1946 | Amazon US UK |
| 13 | The Second Seal | 1950 | Amazon US UK |
| 14 | The Second Seal | 1950 | Amazon US UK |
| 15 | The Prisoner in the Mask | 1957 | Amazon US UK |
| 16 | The Prisoner in the Mask | 1957 | Amazon US UK |
| 17 | Vendetta in Spain | 1961 | Amazon US UK |
| 18 | Vendetta in Spain | 1961 | Amazon US UK |
| 19 | Dangerous Inheritance | 1965 | Amazon US UK |
| 20 | Dangerous Inheritance | 1965 | Amazon US UK |
| 21 | Gateway to Hell | 1972 | Amazon US UK |
| 22 | Gateway to Hell | 1972 | Amazon US UK |
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