The Poisoner's Notebook

Detective Nathan Cole has seen every kind of murder—until Eleanor Vance. Found dead at her desk, a cup of violet tea by her side and a cryptic note scrawled in red ink: "Not all poisons kill the body." What begins as a simple case spirals into a chilling hunt through London's rain-soaked streets, where science and obsession blur into madness. The trail leads to a vanished toxicologist, a secret re...