* The Longship (1953)
* Den svarte diamanten (1954)
* Merlin and the Forever Sword (1956)
* Beowulf and the Monster's Lair (1957)
* The Sea King's Daughter (1958)
* Thor og hans magiske hammer (1960)
* Arthur and His Knights (1961)
* Odins gave (1962)
* Kongen av Tír na nÓg (1963)
* Prinsen og den gyldne øks (1964)
* The Wizard's Apprentice (1965)
* The Runaway Giant (1966)
* Kjempenes øy (1967)
* Feenes hule (1968)
* Den magiske skogen (1969)
* The Enchanted Castle (1970)
* The Dragon's Lair (1971)
* The Witch's Cottage (1972)
* Enhjørningens hemmelighet (1973)
* The Treasure of the Abbey (1974)
* The Ghost in the Tower (1975)
* The Highwayman's Daughter (1976)
* The Smuggler's Cove (1977)
* The Pirate's Gold (1978)
* The Mystery of the Moor (1979)
* The Curse of the Mummy (1980)
* The Spell of the Vampire (1981)
* The Werewolf of London (1982)
* The Phantom of the Opera (1983)
* The Hound of the Baskervilles (1984)
* Bildet av Dorian Gray (1985)
* The Scarlet Pimpernel (1986)
* The Prisoner of Zenda (1987)
* Greven av Monte Cristo (1988)
* De tre musketerer (1989)
* The Jungle Book (1990)
* Robin Hood (1991)
* The Prince and the Pauper (1992)
* The Adventures of Tom Sawyer (1993)
* The Adventures of Huckleberry Finn (1994)
* Treasure Island (1995)
* Den sveitsiske familien Robinson (1996)
* Kidnappet (1997)
* The Black Arrow (1998)
* David Copperfield (1999)
* Oliver Twist (2000)
* A Tale of Two Cities (2001)
* Store forventninger (2002)
* The Old Curiosity Shop (2003)
* Nicholas Nickleby (2004)
* The Pickwick Papers (2005)
* Martin Chuzzlewit (2006)
* Dombey og sønn (2007)
* Bleak House (2008)
* Hard Times (2009)
* Lille Dorrit (2010)
* A Christmas Carol (2011)
* The Cricket on the Hearth (2012)
* The Battle of Life (2013)
* The Haunted Man (2014)
* The Mystery of Edwin Drood (2015)
Noveller
* "The Fairy Child" (1951)
* "The Leprechaun's Gold" (1952)
* "The Giant's Causeway" (1953)
* "The Children of Lir" (1954)
* "Kunnskapens laks" (1955)
* "The Táin Bó Cúailnge" (1956)
* "The Death of Cúchulainn" (1957)
* "The Voyage of Bran" (1958)
* "The Immram of Curach (1959)
* "The Colloquy of the Ancients" (1960)
* "The Book of Leinster" (1961)
* "The Book of Kells" (1962)
* "The Annals of the Four Masters" (1963)
* "The Book of Invasions" (1964)
* "The Book of Rights" (1965)
* "The Book of Ui Maine" (1966)
* "The Book of Lecan" (1967)
* "The Book of Ballymote" (1968)
* "The Yellow Book of Lecan" (1969)
* "The Great Book of Lecan" (1970)
* "The Book of Fermoy" (1971)
* "The Book of Lismore" (1972)
* "The Book of MacCarthy Reagh" (1973)
* "The Annals of Clonmacnoise" (1974)
* "The Annals of Ulster" (1975)
* "The Annals of Tigernach" (1976)
* "The Annals of Boyle" (1977)
* "The Annals of Roscrea" (1978)
* "The Annals of Multifernan" (1979)
* "The Annals of Inisfallen" (1980)
* "The Annals of Clonard" (1981)
* "The Annals of Senat" (1982)
* "The Annals of Loch Cé" (1983)
* "The Annals of the Four Masters" (1984)
* "The Annals of Ulster" (1985)
* "The Annals of Tigernach" (1986)
* "The Annals of Boyle" (1987)
* "The Annals of Roscrea" (1988)
* "The Annals of Multifernan" (1989)
* "The Annals of Inisfallen" (1990)
* "The Annals of Clonard" (1991)
* "The Annals of Senat" (1992)
* "The Annals of Loch Cé" (1993)
* "The Annals of the Four Masters" (1994)