This is book number 9 in the Last Apprentice series.
The book will haunt you.It's an international bestseller.But don't read it after dark!
The story of Grimalkin—Book Nine of The Last Apprentice series
Grimalkin never missed—except once. The only victim who escaped her blades was Tom Ward, a seventh son of a seventh son. Since then, the witch assassin has fought alongside the Spook's apprentice. Now you can hear her side of the story. What is Grimalkin's past—and what will her future be? Can Tom trust her to stay on the side of good? Or is the pull of the dark too strong to resist?
Joseph DELANEY is the author of the internationally best-selling The Last Apprentice series, which is now a major motion picture, Seventh Son. He is a former English teacher who lives in the heart of boggart territory in Lancashire, England. His village has a boggart called the Hall Knocker, which was laid to rest under the step of a house near the church.