Moriarty by Anthony Horowitz

Set in the aftermath of the infamous Reichenbach Falls incident, the narrative follows Pinkerton detective Frederick Chase and Scotland Yard Inspector Athelney Jones as they delve into the criminal underworld of London. Their mission is to uncover the truth behind a mysterious criminal mastermind who seems to have taken over Moriarty's empire. As they navigate a web of deceit, betrayal, and danger, the duo must confront their own assumptions and the shadowy figures lurking in the city's dark corners, leading to a shocking revelation that challenges everything they thought they knew.