Internationally bestselling author Jussi Adler-Olsen returns with the third thriller in the exhilarating Department Q series. Detective Carl Morck has received a bottle that holds an old and decayed message written in blood. It's a cry for help from two young brothers, tied and bound in a boathouse by the sea. In this heart-pounding thriller, Carl and his colleagues Assad and Rose must use every resource available to uncover the horrifying truth set adrift in that bottle all those years ago.
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