Forgotten Stalingrad. On the flanks of the great battle

Despite the past 77 years since the end of the Battle of Stalingrad and its most important significance, many episodes of this battle are still unknown or little -known.
The book proposed talks about the four episodes of different stages of the battles for Stalingrad. This is the first blow of the XIV of the Wehrmacht Tank Corps on the defense of the 62nd Army, the operation of the 57th and 51st armies against the 6th Army Romanian Corps, the fighting of the 3rd Guards Cavalry Corps during the Uranus operation and, it would seem, The well-known episode with the captivity of the headquarters of the 6th Field Army of the Wehrmacht and its commander Field Marshal Paulus.
The reader will receive answers to many questions, including:
Why did the motorized divisions of the 6th Army of the Wehrmacht in July 1942 so easily broke through the front of the 62nd Army?
How did the 14th Panzer Division of the Germans restore the front of the 6th Romanian army corps and what conclusions were drawn at the headquarters of the 4th Panzer Army?
How was the surrender of the headquarters of the 6th Army and