1941: Battles in the Ukraine Aleksey Isaev.
In Russian, Moscow, 2004. Soft cover, 79 pp, dozens of b/w pictures, 5 tactical maps, color illustrations of Soviet and German tanks. Based on Soviet archival records and large number of published Russian and German memoirs. This very detailed narrative specifies even smaller units (regiment, brigade) that took part in action, and provides tables of troop & equipment strength and losses on both sides. Excellent field photos showing Soviet and German armor. Most of them have not been published before.