Isabel Ostrander
1883-1924
Pseudonyms: Robert Orr Chipperfield, David Fox and Douglas Grant
 

Isabel Egenton Ostrander was born in New York City. She also wrote under the pseudonyms ‘Robert Orr Chipperfield’, ‘David Fox’, and ‘Douglas Grant’.

 
 

Titles and year of publication:
 
 1) At One-Thirty  1915
 2) The Crevice (UK Title: The Lawton Mystery [1917]) (with William J. Burns)  1915
 3) The Heritage of Cain  1916
 4) The Clue in the Air  1917
 5) Island of Intrigue  1918
 6) Suspense  1918
 7) Ashes to Ashes  1919
 8) The Twenty Six Clues  1919
 9) How Many Cards?  1920
10) The Crimson Blotter  1921
11) The Tattooed Arm  1922
12) McCarty, Incog.  1922
13) Annihilation  1924
14) Dust to Dust  1924
15) Liberation (UK Title: Impulse [1925])  1924
16) The Black Joker  1925
17) The Neglected Clue  1925
18) The Sleeping Cat  1926
19) The Mathematics of Guilt  1926
20) The Sleeping Cop (UK Title: The Braddigan Murder [1928]) (With Christopher B. Booth)  1927
As ‘Robert Orr Chipperfield’
 1) The Second Bullit  1919
 2) Unseen Hands  1920
 3) The Man in the Jury Box  1921
 4) The Trigger of Conscience  1921
 5) Above Suspicion  1923
 6) Bright Lights  1924
As ‘David Fox’
 1) The Man Who Convicted Himself  1920
 2) Ethel Opens the Door  1922
 3) The Doom Dealer  1923
 4) The Handwriting on the Wall  1924
As ‘Douglas Grant’
 1) The Fifth Ace  1918
 2) Booty  1919
 3) The Single Track  1919
 4) Anything Once  1920
 5) Two-Gun Sue  1922

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