"The Last Apprentice Series," also known as "The Wardstone Chronicles," is a popular fantasy book series written by Joseph Delaney. It follows the story of a young boy named Tom Ward, who is the seventh son of a seventh son. Tom becomes an apprentice to the local Spook, a man who protects the village from dark creatures and supernatural threats. The series is set in a fictional version of medieval England and explores themes of good versus evil, bravery, and the challenges of growing up. Throughout the books, Tom faces various monsters, witches, and other dangers, learning valuable lessons about courage and responsibility along the way.