"The Spook's Apprentice" is a fantasy novel by Joseph Delaney that follows a young boy named Tom Ward. He is the seventh son of a seventh son, which gives him special abilities. Tom becomes the apprentice to the Spook, a local man who protects the village from dark forces and supernatural creatures. As Tom trains under the Spook, he learns about various monsters and witches that threaten his world. The story explores themes of bravery, friendship, and the struggle between good and evil as Tom faces challenges that test his skills and resolve.