* Huset mellan (1938)
* No Stranger to the Stars (1939)
* Vind från berget (1941)
* This Is My Best (samförfattare med George P. Abraham, 1942)
* Ring den nya världen (1943)
* Kapten Garfio och andra berättelser (1951)
* Peter Cottontail and Other Stories (1951)
* The King's Stilts and Other Stories (1952)
* The Story Garden (1952)
* Snowshoe Paws and Other Stories (1952)
* Stor ost och andra berättelser (1953)
* Danny Meadow Mouse äventyr och andra berättelser (1953)
* Little Dog Toby and Other Stories (1954)
* Mr. Whistles hemlighet och andra berättelser (1955)
* Prinsen och gåsflickan (1955)
* Old Man Possum and Other Stories (1956)
* That Girl Judy (1957)
* Mystery at Thunderbolt House (1958)
* Min syster Mike (1958)
* Secret of Hollow Tree Camp (1959)
* Året som tomten blev modern (1959)
* Shadow of a Secret (1960)
* Nancy Clark, hemlig agent (1961)
* Nancy Clark, Trouble Shooter (1961)
* The Secret of the Hidden Room (1961)
* Nancy Clark, utrikeskorrespondent (1962)
* Nancy Clark, Mystery Girl (1963)
* The Golden Slippers and Other Stories (1963)
* Nancy Clark, tjejreporter (1963)
* Time for Tomorrow, Janet Carroll (1963)
* Nancy Clark, News Hen (1964)
* Skattlådan (1964)
* Nancy Clark, polisreporter (1965)
* Nancy Clark, samhällsreporter (1966)
* The Mystery Girl Next Door (1966)
* Nancy Clark, modell för mord (1967)
* Nancy Clark, Danger Ahead (1968)
* Katten i spegeln och andra berättelser (1968)
* Nancy Clark, dubbel identitet (1969)
* The Mystery Next Door (1969)
* Nancy Clark, Assignment Murder (1970)
* The Secret of the Magic Box (1970)
* The Haunted Lighthouse and Other Stories (1971)
* Mysteriet vid Devil's Cove (1972)
* Mysteriet med den stulna ringen (1973)
* The Mystery at Lonely Point (1974)
* The Whispers in the Dark (1975)
Noveller
* "Huset mellan" (1938)
* "No Stranger to the Stars" (1939)
* "Vind från berget" (1941)
* "Call the New World" (1943)
* "Kapten Garfio" (1951)
* "Peter Cottontail" (1951)
* "Kungens styltor" (1952)
* "Snowshoe Paws" (1952)
* "Big Cheese" (1953)
* "The Adventures of Danny Meadow Mouse" (1953)
* "Lilla hunden Toby" (1954)
* "Mr. Whistles hemlighet" (1955)
* "Prinsen och gåsflickan" (1955)
* "Old Man Possum" (1956)
* "That Girl Judy" (1957)
* "Mystery at Thunderbolt House" (1958)
* "Min syster Mike" (1958)
* "Secret of Hollow Tree Camp" (1959)
* "Året som tomten blev modern" (1959)
* "Shadow of a Secret" (1960)
* "Nancy Clark, hemlig agent" (1961)
* "Nancy Clark, Trouble Shooter" (1961)
* "Hemligheten med det dolda rummet" (1961)
* "Nancy Clark, utrikeskorrespondent" (1962)
* "Nancy Clark, Mystery Girl" (1963)
* "Time for Tomorrow, Janet Carroll" (1963)
* "Nancy Clark, tjejreporter" (1963)
* "Nancy Clark, News Hen" (1964)
* "Skattlådan" (1964)
* "Nancy Clark, polisreporter" (1965)
* "Nancy Clark, samhällsreporter" (1966)
* "The Mystery Girl Next Door" (1966)
* "Nancy Clark, modell för mord" (1967)
* "Nancy Clark, Danger Ahead" (1968)
* "Katten i spegeln" (1968)
* "Nancy Clark, dubbel identitet" (1969)
* "The Mystery Next Door" (1969)
* "Nancy Clark, uppdragsmord" (1970)
* "The Magic Box" (1970)
* "The Haunted Lighthouse" (1971)
* "Mysteriet vid Devil's Cove" (1972)
* "Mysteriet med den stulna ringen" (1973)
* "Mysteriet vid Lonely Point" (1974)
* "Viskningarna i mörkret" (1975)