The book is therefore largely ascribed as being pseudepigraphic. These letters are believed by many to be pseudepigraphic. A characteristic of this genre is their pseudepigraphic form. Of the number of works attributed to him, many are pseudepigraphic or doubtful. It is a pseudepigraphic text of an uncertain date and unknown authorship. Skeptical scholars point out that the entire tradition may be pseudepigraphic. The Testament of Abraham is a pseudepigraphic text of the Old Testament. The pseudepigraphic "Testament of Solomon" is one of the oldest magical texts. These pseudepigraphic texts aside, some authors did draw on a few genuinely Zoroastrian ideas. The pseudepigraphic "Testament of Job" is seen as possibly a Therapeutae text. Like the other Ancient Church Orders, the Apostolic Canons use a pseudepigraphic form. Some are possibly falsely attributed works (pseudepigraphic) except for the passages from Ezekiel and Joel.