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.
With several writings by the devil in only one night, it is very intriguing to know what has been written on this, a very old book, as many are afraid of the unknown is more preferable to read and sacarce of doubt .