- Editor’s Note: In Part One, we discussed how the American Textbook Council compared the content of seven widely adopted world history textbooks to determine how Islam was being studied in our schools. What the comparison revealed were content distortions and inaccuracies that have not occurred by accident. Here is what the textbooks say. What the Textbooks Say The coverage of Islam in world history textbooks has expanded and in some respects improved, offering students a detailed look at the Muslim world through the centuries, one that explains its origins and tenets, including the difference between the Sunni and Shiite...