Book of James in Wikipedia

The Epistle of James, usually referred to simply as James, is a book in the New Testament. The author identifies himself as "James, a servant of God and of the Lord Jesus Christ". The epistle may not be a true piece of correspondence between specific parties, but rather an example of wisdom literature formulated as a letter for circulation. The work is considered New Testament wisdom literature because, "like Proverbs and Sirach, it consists largely of moral exhortations and precepts of a traditional and eclectic nature."[1] Similarly, the Catholic Encyclopedia says, "the subjects treated of in the Epistle are many and various; moreover, St. James not infrequently, whilst elucidating a certain point, passes abruptly to another, and presently resumes once more his former argument."...

Link: https://en.wikipedia.org/wiki/Book_of_James