In his historical-geographical research, "Piri Reis Map. Overstag" the author speaks about Russia's unquestionable right in its historical discovering of Antarctica continent, which Charles Hutchins Hapgood, American professor of Harvard University, tried to challenge in his works, relying on his own interpretation of the ancient portulan of Turkish admiral Haji Muhiddin Piri ibn Haji Mehmed (Piri Reis).
Hepgood's study strangely coincides with the times of the Cold War, Turkey's accession to NATO and the conclusion of the Antarctic Сonvention, thus casting a doubt on the historical fact of the discovery of Antarctica by the expedition of F. Bellingshausen and M. Lazarev in 1820, and weakening the position True Researchers in geopolitical scale.
In his work A. Kruser reveals many facts concerning falsifications and deliberate distortion of historical and geographical moments by some interested countries. The work contains extensive research material, carefully studied and subjected to multilateral re-examinations using incontrovertible evidence and true facts.