As creatures of the dark hunt for the witch assassin Grimalkin, who carries the captured Fiend's head, Spook's apprentice Tom tries to find a way to finish this terrifying evil once and for all.
- ISBN10 0062027638
- ISBN13 9780062027634
- Publish Date 21 August 2012
- Publish Status Active
- Publish Country US
- Publisher HarperCollins Publishers
- Imprint Collins
- Format eBook
- Pages 448
- Language English