Andrew Rivers and Slytherin's Secret

It's Andrew's third year at Hogwarts! A mad House Elf is running amok, some students are acting oddly and there has been attacks around the school and no one is safe! Will they discover the mystery behind Salazar Slytherin's secret? Will they save the day once again? Join Andrew, along with Harry, Ron, Hermione, Neville and many others in uncovering this dark blast from the past!