on hidden interpretation

What I thought of about the text book pieces we read was that the authors have their own way of interpreting history by stating the facts differently and putting things in and leaving things out. Each one were similar but had there own twist to how they presented the Great Depression. Whether it were the reasons for the depression, the economy view, the social view, or the world view on this crisis. It should be taught to students how to dig out these interpretations so that they can see the individual in the books or articles they read. It is a useful tool to learn early and can be used for any subject one is reading about. I wish my school had taught us this strategy.