Now in paperback, this is the 6th novel in the crime series featuring psychotherapist Frieda Klein, who reluctantly investigates a cold case and is horrified by what she finds. Written by couple Nicci Gerrard and Sean French, whose novels have sold more than 8 million copies worldwide Nicci French is the pseudonym for the writing partnership of journalists Nicci Gerrard and Sean French. The couple are married and live in Suffolk. There are twenty bestselling novels by Nicci French, published in thirty-one languages. Blue Monday was the first thrilling story in the Frieda Klein series, which concludes with Day of the Dead.facebook.com/NicciFrenchOfficialPage