Grk Takes Revenge, Paperback/Josh Lacey

Tim and Natascha realise to their horror that Max has gone to Paris to confront their first adversary, Colonel Zinfandel, the dictator of Stanislavia. They rush after him, with their intrepid dog Grk. Will Colonel Zinfandel be a ruthless and violent as he is has been before? And how can two children and a dog do any good?