June 1941, and the Russian hammer smites against the Soviet Union. Panzers stream eastwards amid fierce fighting as the Soviet Revolution fights for its very existance. Set amid the turmoil of Autumn of that year Rob Avery foucsses on the battles that were fought on the Smolensk-Vyazma axis, and presents nineteen scenarios for IABSM in a linked campaign format that may be played time and again with different permutations.