The Hidden City: A Puzzle Novel (Exit: The Book)

The Clinic of Shadows: A Puzzle Novel (EXIT: The Book)

The Portal to Nowhere: A Puzzle Graphic Novel (Exit: The Book)

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The Woman in the Fog: A Puzzle Graphic Novel (Exit: The Book)

The Lion of San Marco: A Puzzle Novel (Exit: The Book)

The Fairground of Fear: A Puzzle Novel (Exit: The Book)

The Ryan Creed Case: A Puzzle Novel (Exit: The Book)