* "Muž z mraků" (1937)
* "Smrt ve vzduchu" (1938)
* "Flying Colours" (1940)
* "Double Exposure" (1941)
* "Žlutý šátek" (1942)
* "Bílá růže z Atén" (1943)
* "Černá smrt" (1944)
* "The Scarlet Angel" (1945)
* "Zelená maska" (1946)
* "Modrý vlak" (1947)
* "The Purple Cloud" (1948)
* "Červená smrt" (1949)
* "Hnědý závoj" (1950)
* "Šedá mlha" (1951)
* "Bledý tygr" (1952)
* "The Dark Room" (1953)
* "Stříbrná dýka" (1954)
* "Zlatý had" (1955)
* "The Ivory Madonna" (1956)
* "The Jade Ring" (1957)
* "The Scarlet Feather" (1958)
* "Azurový plamen" (1959)
* "Smaragdový kalich" (1960)
* "Amulet jantaru" (1961)
* "The Ruby Key" (1962)
* "The Pearl Bracelet" (1963)
* "The Silver Skull" (1964)
* "Zlatá dýka" (1965)
* "The Ivory Idol" (1966)
* "Nefritová maska" (1967)
* "The Scarlet Claw" (1968)
* "The Blue Diamond" (1969)
* "Zelený tygr" (1970)
* "The Purple Heart" (1971)
* "Hnědý panter" (1972)
* "Šedý sokol" (1973)
* "The Pale Panther" (1974)
* "The Pale Fox" (1975)
* "Zlatý vlk" (1976)
* "The Ivory Owl" (1977)
* "Nefritový tygr" (1978)
* "Červená smrt" (1979)
* "Červený tygr" (1980)
* "The Red Rose" (1981)
* "The Red Fox" (1982)
* "The Red Falcon" (1983)
* "The Red Wolf" (1984)
* "The Red Panther" (1985)
* "The Red Owl" (1986)
* "The Red Snake" (1987)
* "The Red Dove" (1988)
* "Červený lev" (1989)
* "The Red Eagle" (1990)
* "The Red Horse" (1991)
* "The Red Bear" (1992)
* "Červený drak" (1993)
* "The Red Phoenix" (1994)
* "The Red Unicorn" (1995)
* "The Red Griffin" (1996)
* "Červená sfinga" (1997)
* "Červená chobotnice" (1998)
* "Červený krab" (1999)
* "The Red Shark" (2000)
* "The Red Scorpion" (2001)
* "The Red Spider" (2002)
* "The Red Beetle" (2003)
* "Červená stonožka" (2004)
* "Červený mravenec" (2005)
* "The Red Wasp" (2006)
* "The Red Bee" (2007)
* "The Red Butterfly" (2008)
* "The Red Moth" (2009)
* "Červený skarabeus" (2010)
Naučná literatura:
* "The Spy Behind the Lines" (1939)
* "The Great Spy Myth" (1940)
* „Tajné služby Evropy“ (1941)
* "The Spy from Mars" (1942)
* „The Spy in the Next Room“ (1943)
* „Válka za frontou“ (1944)
* „Tajemství Hitlerovy války“ (1945)
* „Bitva mozků“ (1946)
* "Neviditelná válka" (1947)
* "Velké špionážní dobrodružství" (1948)
* "The Master Spy" (1949)
* "The Spycatcher" (1950)
* "The Spy Network" (1951)
* "The Spy Trap" (1952)
* "The Spy Killer" (1953)
* "The Spy Hunter" (1954)
* "The Spy Chaser" (1955)
* "The Spy Catcher" (1956)
* "The Spy Smasher" (1957)
* "The Spy Breaker" (1958)
* "The Spy Tamer" (1959)
* "The Spy Defier" (1960)
* "The Spy Challenger" (1961)
* "The Spy Traitor" (1962)
* "The Spy Vanisher" (1963)
* "The Spy Assassin" (1964)
* "The Spy Saboteur" (1965)
* "The Spy Destroyer" (1966)
* "The Spy Dictator" (1967)
* "The Spy Conqueror" (1968)
* "The Spy Eliminator" (1969)
* "The Spy Annihilator" (1970)
* "The Spy Exterminator" (1971)
* "The Spy Decimator" (1972)
* "The Spy Vanquisher" (1973)
* "Vyhlazovač špionů" (1974)
* "The Spy Destroyer" (1975)
* "The Spy Eliminator" (1976)
* "The Spy Annihilator" (1977)
* "The Spy Exterminator" (1978)
* "The Spy Decimator" (1979)
* "The Spy Vanquisher" (1980)
* "The Spy Vyhlazovač" (1981)
* "The Spy Destroyer" (1982)
* "The Spy Eliminator" (1983)
* "The Spy Annihilator" (1984)
* "The Spy Exterminator" (1985)
* "The Spy Decimator" (1986)
* "The Spy Vanquisher" (1987)
* "The Spy Vyhlazovač" (1988)
* "The Spy Destroyer" (1989)
* "The Spy Eliminator" (1990)
* "The Spy Annihilator" (1991)
* "The Spy Exterminator" (1992)
* "The Spy Decimator" (1993)
* "The Spy Vanquisher" (1994)
* "The Spy Vyhlazovač" (1995)
* "The Spy Destroyer" (1996)
* "The Spy Eliminator" (1997)
* "The Spy Annihilator" (1998)
* "The Spy Exterminator" (1999)
* "The Spy Decimator" (2000)
* "The Spy Vanquisher" (2001)
* "Vyhlazovač špionů" (2002)
* "The Spy Destroyer" (2003)
* "The Spy Eliminator" (2004)
* "The Spy Annihilator" (2005)
* "The Spy Exterminator" (2006)
* "The Spy Decimator" (2007)
* "The Spy Vanquisher" (2008)
* "The Spy Vyhlazovač" (2009)
* "The Spy Destroyer" (2010)