Even when using a book, you should carefully evaluate it to see if it meets your needs. Quick points to consider:
When evaluating BOOKS for your research paper, use the following criteria and ask yourself:
The purpose of the author in presenting ideas, opinions, or research may in part determine the usefulness of the resource. Does the resource show political, cultural or other bias? Are opposing points of view represented? Is this information verified in other resources? You may not be able to evaluate the objectivity of any single resource until you have looked at all your resources. Even biased resources can sometimes be used, if you are aware of the bias.
Where to find bias in books
The book jacket usually contains the author's credentials. That information may help you determine bias.
Where to find credentials for books
The credentials of the author of a book are frequently found on the book jacket, or at the beginning of the book: