A crime fiction novel by J. K. Rowling. Published under the pseudonym Robert Galbraith, itis the third in the highly acclaimed series featuring private detective Cormoran Strike and his assistant Robin Ellacott. A message with gruesome content. A brutal series of murders. And a killer who knows too much. When a mysterious package is delivered to Robin Ellacott, she is horrified to discover that it contains a woman?s severed leg. Her boss, private detective Cormoran Strike, is less surprised. There are four people from his past who he thinks could be responsible. With the police focusing on the one suspect Strike is increasingly sure is not the perpetrator, he and Robin take matters into their own hands.