Bob Cook and the German Spy is a 1917 boys’ adventure novel by Paul Greene Tomlinson (1888-1977), the American author of juvenile fiction. A First World War spy-chase story for young readers, it follows its boy hero foiling enemy agents on the home front, in the patriotic boys’-series style of the war years. The book is a period piece of wartime American juvenile fiction. Free PDF download available on BDeBooks.