The fourth volume of the book series Barzani and the Kurdish Liberation Movement,1975-1990 written by President Masoud Barzani has fallen into the hands of readers.

The fourth volume of the book Barzani and the Kurdish Liberation Movement - Gulan Revolution consists of two parts, and it is written in Kurdish. 

The first part of the book consists of 616 pages and the second part of 488 pages. The book also contains a number of images and documents.

The first edition of the fourth volume of President Massoud Barzani's book was published in Erbil in August 2021.