 Complete the following phrase:  There have been some criticisms for The Comprehensive History of Iran book series, including: Some chapters of ancient Iran pre-Islam section, such as the history of the Medes, have nothing new to say and are merely interpretations of Persian translations of the works of earlier orientalists. The method of references used in the first five volumes is different from the next fifteen volumes and is unusual and has no special logic. It does not uniformly present the true meaning of history. Some parts of the book are copied and duplicated from the book Encyclopedia of Iran from the same publisher. The inadequacy of some sections is astounding. Some sections are not written by historians and are a kind of political interpretation based on specific texts. In some cases the writers are outstanding or the best in their field, in some cases they are mediocre and in some cases they are weak. Lack of serious study of the history of Iran in the twentieth century, especially the Pahlavi era and the 