Lockwood & Co. might be the smallest (some might say shambollic) Psychic Detection Agency in London. But its agents are exceptional Talents. And they get results. In this fifth and final novel, Lockwood & Co confront the most dangerous threat of their careers. No one is safe, as they race to uncover the truth about the Problem! 10+ The brand-new Lockwood & Co. from global bestselling author, Jonathan Stroud