Laurence Dwight Smith was an American author. He specialized in crime fiction and cryptoanalysis.
Death is thy neighbour, 1938
Girl Hunt Red Arrow Books, 1939
The G-Men Smash the Professor's Gang, Illustrated by Robb Beebe, 1936, Grosset & Dunlap
The G Men in Jeopardy. Illustrated by Milton Marx. 1938. Grosset & Dunlap.
The G-Men trap the Spy Ring Illustrated by Paul Laune. 1939. Grosset & Dunlap
Mystery of the Yellow Tie, 1939
Hiram and other Cats, Grosset & Dunlap, 1941
Adrionic Adventure, 1945
Reunion, Samuel Curl Inc, 1946
see: http://www.philsp.com/homeville/fmi/d2038.htm#A91695 Born 1895 Died 1952.
Cryptography - the science of secret writing, George Allen and Unwin, London, 1944
Hooked - Narcotics: America's Peril, with Rafael de Soto, 1953
Cryptography W.W Norton and Co, 1971
Counterfeiting - crime against the people, 1944
