Margaret Penrose was a house pseudonym used by the Stratemeyer Syndicate as the author of three girls' book series published by Cupples & Leon.
[1] The name Margaret Penrose was used for:
The Dorothy Dale series was ghostwritten by the following authors: Lilian Garis volumes 1 – 8, 11; W. Bert Foster volumes 9, 10, 12; and Elizabeth Duffield Ward volume 13.
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