Margaret Penrose was a house pseudonym used by the Stratemeyer Syndicate.
The name Margaret Penrose was used for:
Many of these books were written by Lilian Garis.
References
Margaret Penrose Wikipedia(Text) CC BY-SA
Margaret Penrose was a house pseudonym used by the Stratemeyer Syndicate.
The name Margaret Penrose was used for:
Many of these books were written by Lilian Garis.