Penguin Young Readers Group

  • Gustav and Fernie continue their journey through Dark Country in this new title! In the final installment of Adam-Troy Castro's creepy Gustav Gloom series, the fate of the Dark Country rests on Gustav and Fernie's shoulders. After weeks of traveling on a quest to find their fathers, Fernie and Gustav finally come face-to-face with their nemesis--the evil Lord Obsidian. Filled with heroic action sequences, terrifying chills, and plenty of humor, this final book will keep fans on the edge of their seats.

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