War on the Great Rivers Naval Battles on the Rivers and Lakes of Russia in the Civil War. A supplement for “Steamer Wars” covering naval engagements on the Dvina, Volga and Kama river and the lakes of Russia during the Civil War. 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 many new ship and vessel types from the navies and irregular forces of the Bolsheviks, the White Russians and the Royal Navy. Note: the new rules presented in this supplement are the same as those in "River Wars". A copy of "Steamer Wars" is required to use this supplement. —description from the publisher