* The Eighth Circle (1952)
* House of Cards (1957)
* High Tension (1958)
* The Key to Nicholas Street (1959)
* Η 13η ώρα (1961)
* Stranger in My Grave (1962)
* Time of the Tiger (1963)
* The Winter After This Summer (1964)
* Ο 10ος Κύκλος (1965)
* The Vital Ingredient (1966)
* The Double Man (1968)
* Shadow of a Man (1969)
* The Third Face (1970)
* Star-Crossed (1971)
* Το Μνημόνιο του Βερολίνου (1973)
* The Big Splash (1975)
* The Dying Day (1976)
* The Night of the Seventh Darkness (1977)
* The House of Cards (1981)
* Man on Fire (1983)
* The Nostradamus Secret (1985)
* Scorpion (1987)
* Cobra (1988)
* Viper (1989)
* The Judas Contract (1991)
* The Ravengar Files (1993)
* The Omega Conspiracy (1994)
* The Doomsday Protocol (1996)
* The Lucifer Covenant (1998)
* The Apocalypse Mandate (2000)
* The Orion Deception (2002)
* The Lazarus Vector (2004)
* The Prometheus Deception (2006)
* The Ares Decision (2008)
* The Atlantis Legacy (2010)
* The Eden Enigma (2012)
* Η οδηγία του Νώε (2014)
* The Atlantis Betrayal (2016)
* The Eden Prophecy (2018)
Διηγήματα:
* "The Man in the Blue Mask" (1951)
* "The House on the Hill" (1952)
* "The Man Who Walked Through Walls" (1953)
* "The Shadow Man" (1954)
* "The Night of the Seventh Darkness" (1955)
* «Η 13η ώρα» (1956)
* "The Stranger in My Grave" (1957)
* "Time of the Tiger" (1958)
* «Το κλειδί της οδού Νικολάου» (1959)
* "The Vital Ingredient" (1960)
* "Ο 10ος κύκλος" (1961)
* "The Double Man" (1962)
* "Shadow of a Man" (1963)
* "Star-Crossed" (1964)
* «Το Μνημόνιο του Βερολίνου» (1965)
* "Man on Fire" (1966)
* "The Nostradamus Secret" (1967)
* "The Judas Contract" (1968)
* "The Ravengar Files" (1969)
* "The Omega Conspiracy" (1970)
* "The Doomsday Protocol" (1971)
* "The Lucifer Covenant" (1972)
* "The Apocalypse Mandate" (1973)
* "The Orion Deception" (1974)
* "The Lazarus Vector" (1975)
* "The Prometheus Deception" (1976)
* "The Ares Decision" (1977)
* "The Atlantis Legacy" (1978)
* "The Eden Enigma" (1979)
* "The Noah Directive" (1980)
* "The Atlantis Betrayal" (1981)
* "The Eden Prophecy" (1982)
Μυθιστορήματα:
* "The House of Cards" (1957)
* "High Tension" (1958)
* «Το κλειδί της οδού Νικολάου» (1959)
* «Η 13η ώρα» (1961)
* "Stranger in My Grave" (1962)
* "Time of the Tiger" (1963)
* "The Winter After This Summer" (1964)
* "Ο 10ος κύκλος" (1965)
* «Το Μνημόνιο του Βερολίνου» (1973)
* "The Big Splash" (1975)
* "The Dying Day" (1976)
* "The House of Cards" (1981)
* "Man on Fire" (1983)
* "The Nostradamus Secret" (1985)
* "Scorpion" (1987)
* "Cobra" (1988)
* "Οχιά" (1989)
* "The Judas Contract" (1991)
* "The Ravengar Files" (1993)
* "The Omega Conspiracy" (1994)
* "The Doomsday Protocol" (1996)
* "The Lucifer Covenant" (1998)
* "The Apocalypse Mandate" (2000)
* "The Orion Deception" (2002)
* "The Lazarus Vector" (2004)
* "The Prometheus Deception" (2006)
* "The Ares Decision" (2008)
* "The Atlantis Legacy" (2010)
* "The Eden Enigma" (2012)
* "The Noah Directive" (2014)
* "The Atlantis Betrayal" (2016)
* "The Eden Prophecy" (2018)