River Wars WW1 Naval Battles on the Rivers and Lakes of Europe. A supplement for Steamer Wars covering naval engagements on the Danube and other European waters. The supplement includes a host of new rules covering: mines and torpedoes, troops on shore, land based features and targets and the riverine environment. Data tables are included for over thirty new ship and vessel types from the navies of: the United Kingdom, Germany, Russia, Serbia, Romania and Turkey. Note : The new rules presented here are the same as those in War on the Great Rivers —description from the publisher