"Textbooks in American history stand in sharp contrast to other teaching materials. Why are history textbooks so bad? Nationalism is one of the culprits. Textbooks are often muddled by the conflicting desires to promote inquiry and to indoctrinate blind patriotism. "Take a look in your history book, and you'll see why we should be proud" goes an anthem often sung by high school glee clubs. But we need not even look inside."