Knight's first novel was
Invitation to Life (Greenberg, 1934). The second was
Song on Your Bugles (1936) about the working class in Northern England. As "Richard Hallas", he wrote the hardboiled genre novel
You Play the Black and the Red Comes Up (1938). Knight's
This Above All is considered one of the significant novels of the
Second World War. He also helped co-author the film,
Battle of Britain in the "
Why We Fight" Series under the direction of
Frank Capra. Knight and his second wife Jere Knight raised collies on their farm in
Pleasant Valley,
Bucks County,
Pennsylvania. They resided at
Springhouse Farm from 1939 to 1943. His novel
Lassie Come-Home () was published in 1940, expanded from a short story published in 1938 in
The Saturday Evening Post. One of Knight's last books was
Sam Small Flies Again, republished as
The Flying Yorkshireman (Pocket Books 493, 1948; 273 pages). On the back of
The Flying Yorkshireman, this blurb appeared: ==Works==