Spooks Mistake

WARNING: NOT TO BE READ AFTER DARK
'The moment of danger is close. Very soon our enemies will be here.'
The Spook has sent his apprentice, Tom, to be trained by another spook whose methods are harsh and tough.
But faced with a powerful water witch, Tom's new master makes a fatal mistake, leaving Tom to face his enemies alone.
Can the Spook get there in time to save Tom, or will his own mistakes give final victory to the dark?
The fifth chilling tale in the Wardstone Chronicles