Provides insights into the life of Grimalkin, one of the deadliest witches in the country, if not the world, whose uneasy truce with the Spook's apprentice, Tom, unites them against the ultimate evil of the Fiend.
The continuing adventures of Tom, the seventh son of a seventh son and apprentice to the local Spook, who faces danger and death daily in his job protecting the region from evil.
Apprentice Tom and the Spook for whom he works flee to Ireland, where a powerful witch has joined forces with the dark mages trying to call forth ancient powers to destroy Tom.