Robert Portner Koehler
1905-1988
 

Robert Portner Koehler was an American author. He is the creator of:
1. 'Pecos Appleby', a special investigator for the New Mexico police.
2. 'Al Branson', a police captain in Los Angeles, California.
3. 'Avery Gregg and Tony Ellis', private investigators.
 

Titles and year of publication:  

'Pecos Appleby' Novels
 1) Sing a Song of Murder  1941
 2) Here Come the Dead  1942
 3) Some Try Murder  1943
'Al Branson' Novels
 1) Murder in the Green Sedan (Also published as: Murder Wore Green [1946])  1942
 2) Steps to Murder  1943
 3) Murder Expert  1945
 4) Tread Gently  1945
'Avery Gregg and Tony Ellis' Novels
 1) The Road House Murders  1946
 2) The Hooded Vulture Murders  1947
 3) The Blue Parakeet Murders  1948
Other Novels
 1) Puppets of Chance  1933
 2) The Case of the Dead Cadet  1938
 3) The Doctor's Murder Case  1939
 4) Corpse in the Wind  1944
 5) Salute to Murder (Also published as: Journey to Murder [1944])  1944

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