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Margaret Penrose | Edward Stratemeyer & the Stratemeyer Syndicate
“Margaret Penrose” is a Stratemeyer Syndicate pseudonym used for a few series published by Cupples & Leon. The first series to use this name was the Dorothy Dale series (1908—1924), which became the Syndicate’s first long series with a girl protagonist. Based on this success, the name was also used on the Motor Girls series (1910—1917), a …