Altre opere

(1978) Book: "Beyond the Poseidon Adventure" (filmed as L'inferno sommerso (1979)).

(1948) Book: "Confessions of a Story Writer"

(1938) Book: "Farewell to Sport"

(1942) Book: "Golf is a Friendly Game"

(1972) Book: "Honourable Cat" (a.k.a. "Honorable Cat")

(1950) Book: "Jennie" (a.k.a. "The Abandoned")

(1942) Biography: "Lou Gehrig: Pride of the Yankees" (filmed as L'idolo delle folle (1942))

(1954) Book: "Love of Seven Dolls"

(1955) Book: "Ludmila"

(1965) Book: "Manxmouse"

(1970) Novel: "Matilda" (filmed as Uppercut (1978))

(1975) Book: "Mircle in the Wilderness"

(1974) Book: "Mrs. Harris Goes to Moscow" (a.k.a. "Mrs. 'Arris Goes to Moscow").

(1952) Book: "Snowflake"

(1939) Novel: "The Adventures of Hiram Holliday" (filmed as The Adventures of Hiram Holliday (1956)).

(1974) Book: "The Boy Who Invented the Bubble Gun"

(1969) Novel: "The Day Jean-Pierre Joined the Circus"

(1965) Novel: "The Day Jean-Pierre Went 'Round the World"

(195) Novel: "The Foolish Immortals"

(1965) Novel: "The Golden People"

(1979) Novel: "The House That Wouldn't Go Away"

(1947) Novel: "The Lonely"

(1966) Novel: "The Man Who Was Magic"

(1969) Novel: "The Poseidon Adventure" (filmed as L'avventura del Poseidon (1972), Poseidon - Il pericolo è già a bordo (2005))

(1967) Novel: "The Revealing Eye"

(1940) Novel: "The Secret Front"

(1951) Novel: "The Small Miracle"

(1941) Novel: "The Snow Goose"

(1967) Book: "The Story of Silent Night"

(1971) Novel: "The Zoo Gang" (filmed as The Zoo Gang (1985))

(1952) Novel: "Trial by Terror"

Novel: "The Thirteenth Orphan" (filmed as Once Upon a Christmas Time (1959)).