A Sunless Sea (William Monk Mystery, Book 18)

In the eighteenth novel in Anne Perry's acclaimed William Monk series, can Monk uncover the truth behind a deadly opium conspiracy? With pressure mounting for the river police to find the Limehouse killer, Monk is propelled headlong into an investigation that will delve into the darkest depths of the opium trade and threaten to expose corruption in the very highest echelons of society..

Anne Perry is a New York Times bestselling author noted for her memorable characters, historical accuracy and exploration of social and ethical issues. Her two series, one featuring Thomas Pitt and one featuring William Monk, have been published in multiple languages. Anne Perry has also published a successful series based around World War One and the Reavley family, and the recent standalone novel The Sheen on the Silk. Anne Perry was selected by The Times as one of the twentieth century's '100 Masters of Crime'.