During the session of the Government, President Gurbanguly Berdimuhamedov informed that another his book “Spiritual World of Turkmens” has been published Speaking of importance of study of ancient history of Turkmen nation in gain of necessary experience in modern period, the Head of the State noted that these century-old sources are enriched with new content with change of epochs. In this regard, the President of Turkmenistan expressed hope that his new work would be interesting and useful for wide reading audience.