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The Sphinx's Secret

Glenn Thomas

First published May 2018
Type Interior Art

Date Publication Publisher Type Page
May 2018 Cover The Sphinx's Secret Greenwillow Books / HarperCollins Novel
May 2018 Cover The Sphinx's Secret Greenwillow Books / HarperCollins Novel
May 2019 Cover The Sphinx's Secret Greenwillow Books / HarperCollins Novel