Isabel Ostrander

Isabel Egenton Ostrander (1883–1924) was an American mystery writer of the early twentieth century who used her own name and the pseudonyms Robert Orr Chipperfield, David Fox, and Douglas Grant.

Ebooks

THE WHODUNIT COLLECTION - 15 British Mystery Novels in One Volume: The Maelstrom, The Grell Mystery, The Powers and Maxine, The Girl Who Had Nothing, The Second Latchkey, The Castle of Shadows, The House by the Lock, The Guests of Hercules, One-Thirty and many more

The Clue in the Air: A Detective Story

ISABEL OSTRANDER: Mystery & Western Classics: One Thirty, The Crevice, Anything Once, The Fifth Ace & Island of Intrigue

ISABEL OSTRANDER Premium Collection – Mystery & Western Classics: One Thirty, The Crevice, Anything Once, The Fifth Ace & Island of Intrigue

All'una e trenta: Un caso per il detective cieco