Prince Alexander Nevsky is one of the most outstanding people of our Fatherland. The commander, who did not suffer a single defeat on the battlefield, he went down in history as a wise and cautious politician who managed to save Russia at the hardest, turning point in its history, which coincided with the years of his Novgorod and then Vladimir reign. The book offered to the attention of readers is not built quite usually. This is not just another biography of the prince. The author tried to collect here all the evidence of sources concerning the personality of Prince Alexander Yaroslavich and the policy pursued by him, thus building a detailed chronicle of the forty-four years of the earthly life of the Grand Duke. It was the authentic documents of the era that formed the basis of the narrative.