- "Hårde tider" (1895)
- "Den gyldne kjede" (1897)
- "The World Awheel" (1899)
- "Den siste barrieren" (1902)
- "The Adventures of Captain Jack" (1905)
- "The Hawk of the Desert" (1906)
- "Bred pil" (1908)
- "The City of Purple Dreams" (1910)
- "The Love Wolf" (1912)
- "Verden under" (1914)
- "Den hvite hansken" (1915)
- "The Hillman" (1917)
- "Plyngerne" (1919)
- "De hemmelige fire" (1921)
- "The Black Parade" (1923)
- "The Power House" (1925)
- "Byen under havet" (1927)
- "Djevelen i huset" (1929)
- "Forbrytelsen på hjørnet" (1931)
- "Dødsstøtet" (1933)
- "The Charing Cross Mystery" (1935)
- "The Clue of the New Pin" (1937)
- "The Case of the Vanishing Bodies" (1940)
- "The Clue of the Silver Key" (1942)
- "The Mystery of the Scarlet Thread" (1944)
- "The Riddle of the Third Rail" (1946)
- "Peppertreets puslespill" (1948)
- "Problemet med den grønne kapselen" (1949)
- "The Enigma of the Hour Glass" (1951)
- "The Shadow of the Black Hand" (1953)
- "The Death Call" (1954)
- "The Phantom Car" (1956)
Han skrev også flere novellesamlinger, inkludert:
- "Stories of the Sea" (1903)
- "The Flighty Princess:Five Stories" (1907)
- "Hviskende tunger" (1911)
I tillegg skrev han flere bøker for barn, inkludert:
- "The Adventures of Captain Jack" (1905)
- "The Black Parade" (1923)
- "The Power House" (1925)
- "Byen under havet" (1927)