On May 10, the AzII e-Book House of the Azerbaijan State Oil and Industry University (ASOIU) organised a book exhibition entitled "Great leader Heydar Aliyev", dedicated to the 99th anniversary of our national leader, one of the luminaries of world politics, outstanding personality Heydar Alirza oglu Aliyev. The exposition includes more than 50 books and other publications that reflect the turn in the republic's socio-political, social, economic, scientific, cultural life and international relations during the period of activity of the founder of the modern Azerbaijan Republic, Heydar Aliyev.