J. Wentworth Day (1899–1983)

Bibliography:
* Sporting Adventure (1937)
* Farming Adventure: A Thousand Miles Through England On A Horse (1943)
* The Modern Fowler (1934)
* King George V as a Sportsman (pre 1937)
* The Life of Sir Henry Segrave (pre 1937)
* Speed - the Life of Sir Malcolm Campbell (pre 1937)
* Kaye Don - the Man (pre 1937)
* A Falcon on St Paul's (pre 1937)
* Harvest Adventure (1946)
* Sport in Egypt (date unknown)
* Gamblers' Gallery (date unknown)
* Wild Wings and Some Footsteps (1948)
* Marshland Adventure (1950)
* Broadland Adventure (1951)
* The New Yeomen of England (1952)
* The Modern Shooter (1952)
* Norwich and the Broads (1953)
* A History of the Fens (1954)
* The Wisest Dogs in the World: Some Account of the Longshaw Sheepdog Trials Association (1954)
* Here Are Ghosts And Witches (1954)
* They Walk The Wild Places (1956)
* Poison On The Land: The War On Wild Life, And Some Remedies (1957)
* The Angler's Pocket Book (1957)
* The Dog Lover's Pocket Book (1957)
* A Ghost Hunter's Game Book (1958)
* British Animals of the Wild Places (1960)
* British Birds of the Wild Places (1961)
* HRH Princess Marina, Duchess of Kent: The First Authentic Life Story (1962)
* Portrait of the Broads (1967)
* The Queen Mother's Family Story (1967)
* In Search of Ghosts (1969)
* History of the Fens (1970)
* Rum Owd Boys (1974)
* Norwich Through The Ages (1976)
* King's Lynn and Sandringham Through The Ages (1977)
* Garland of Hops (1978)
* The James Wentworth Day Book of Essex (1979)