Kaja Foglio has written at least 28 books. Their most popular book is Agatha Heterodyne and the Airship City with 26 saves with an average rating of 3.92⭐.
They are best known for writing in the genres Fantasy, Young Adult, and Adventure.
 Agatha Heterodyne and the Airship City
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 Agatha H. and the Airship City
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 Girl Genius
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 Agatha Heterodyne and the Monster Engine (Girl Genius, #3)
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 Agatha Heterodyne and the Clockwork Princess (Girl Genius, #5)
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 Agatha H and the Clockwork Princess
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 Agatha Heterodyne and the Chapel of Bones (Girl Genius, #8)
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 Agatha Heterodyne and the Heirs of the Storm
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 Agatha Heterodyne and the Voice of the Castle (Girl Genius, #7)
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 Agatha Heterodyne and the Golden Trilobite (Girl Genius, #6)
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 Agatha Heterodyne and the Guardian Muse
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 Agatha H. and the Voice of the Castle
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 Agatha Heterodyne and the Sleeping City
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 Girl Genius Omnibus Volume 1: Agatha Awakens |
 Agatha Heterodyne and the Siege of Mechanicsburg
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 Girl Genius Girl Genius: Omnibus Edition #1
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 Agatha H. and the Siege of Mechanicsburg
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 Sparks and Monsters Sparks and Monsters
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 The Incorruptible Library
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 The Beast of the Rails The Beast of the Rails
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 The Secret Blueprints for Volume One
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 The City of Lightning
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 Kings and Wizards Kings and Wizards
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 Myth Adventures! Myth Adventures! |
 Agatha H. and the Clockwork Princess
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 The Exorcism Engines The Exorcism Engines
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Queens and Pirates Queens and Pirates
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 The Girl Genius Trilogy
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Agatha H. and the Airship City Agatha H. and the Airship City
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