A thrilling World War One spy story from the author of the acclaimed Jack Haldean series "There's a spy in England. Frankie's letter. Read Frankie's letter . . ." The last words said by a dying man to Anthony Brooke in Kiel in Germany during the height of World War One. But who is Frankie? With his cover blown and the German army at his heels, English secret agent Anthony Brooke's search to discover the truth leads him to an innocent-seeming country...