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 love this particular edition of the Psalter or Book of Psalms. It is based on the King James version, which is my favorite in English. It is filled with decorative artwork from St Gregory Palamas Monastery and iconography from Greece, Bulgaria and California.