- (1956) Novel: "The Mary Deare" (aka "The Wreck of the Mary Deare"). NOTE: Filmed as The Wreck of the Mary Deare (1959).
- (1952) Novel: "Campbell's Kingdom". NOTE: Filmed as Campbell's Kingdom (1957).
- (1949) Novel: "The White South" (aka "The Survivors"). NOTE: Filmed as Hell Below Zero (1954).
- (1947) Novel: "The Lonely Skier" (aka "Fire in the Snow"). NOTE: Filmed as Snowbound (1948).
- (1971) Novel: "Levkas Man". NOTE: Filmed as Levkas Man (1981)
- (1973) Novel: "Golden Soak". NOTE: Filmed as Golden Soak (1979).
- (1940) Novel: "Wreckers Must Breathe" (aka "Trapped")
- (1940) Novel: "Trojan Horse"
- (1941) Novel: "Attack Alarm"
- (1946) Novel: "Dead and Alive"
- (1947) Novel: "The Killer Mine"
- (1948) Novel: "Maddon's Rock" (aka "Gale Warning")
- (1948) Novel: "The Blue Ice"
- (1950) Novel: "The Angry Mountain"
- (1951) Novel: "Air Bridge"
- (1954) Novel: "The Strange Land" (aka "The Naked Land")
- (1958) Novel: "The Land God Gave to Cain"
- (1960) Book: "Harvest of Journeys"
- (1960) Novel: "The Doomed Oasis"
- (1962) Novel: "Atlantic Fury"
- (1963) Book: "Scandinavia"
- (1965) Novel: "The Strode Venturer"
- (1967) Novel: "Sea and Islands"
- (1968) Novel: "The Conquistadors"
- (1950) Novel (as Ralph Hammond): "Cocos Gold"
- (1941) Novel (as Ralph Hammmond): "Isle of Strangers" (aka "Island of Peril")
- (1962) Novel (as Ralph Hammond): "Saracen's Tower" (aka "Cruise of Danger")
- (1953) Novel (as Ralph Hammond): "Black Gold on the Double Diamond"
- (1947) Editor: "Tales of Old Inns"
- (1938) Novel: "Doppelganger".
- (1952) Novel: "Berlin Air Bridge".
- (1939) Novel: "All Roads Lead to Friday".
- (1938) Novel: "Air Disaster".
- (1958) Novel: "The Land God Gave to Cain".
- (1940) Novel: "Trapped" (aka "Wreckers Must Breathe").
- (1938) Novel: "Sabotage Broadcast".
- (1947) Novel: "The Killer Mines".
- (1940) Novel: "The Survivors".
- (1940) Novel: "The Trojan Horse".
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