Books can be attributed to "Anonymous" for several reasons:
* They are officially published under that name * They are traditional stories not attributed to a specific author * They are religious texts not generally attributed to a specific author
Books whose authorship is merely uncertain should be attributed to Unknown.
I started 13 months ago, reading daily along with a study guide. Using the study guide increased my understanding. I encourage you to read 15 minutes a day! So glad I did.