Hildegard G. Frey has written at least 9 books. Their most popular book is The Camp Fire Girls At Onoway House; or, The Magic Garden with 1 save with an average rating of 5⭐.
They are best known for writing in the genres Classics, Adventure, and Young Adult.
 The Camp Fire Girls at School; or, The Wohelo Weavers The Camp Fire Girls at School; or, The Wohelo Weavers
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 The Camp Fire Girls Go Motoring; or, Along the Road That Leads the Way
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 The Camp Fire Girls At Onoway House; or, The Magic Garden
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 The Camp Fire Girls Solve a Mystery
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 The Camp Fire Girls On the Open Road; or, Glorify Work
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 The Camp Fire Girls On Ellen's Isle; or, The Trail of the Seven Cedars The Camp Fire Girls On Ellen's Isle; or, The Trail of the Seven Cedars
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 The Camp Fire Girls Larks and Pranks; or, The House of the Open Door The Camp Fire Girls Larks and Pranks; or, The House of the Open Door
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 The Camp Fire Girls Do Their Bit; Or, Over the Top with the Winnebagos
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 The Camp Fire Girls Do Their Bit
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