James Howard is the author of Elements of Plane and Spherical Trigonometry (1907), The Phytosauria (1906), Confessions of a Book Agent; Or, Twenty Years by Stage and Rail; Being the Experiences of a Man who Has Sold $1,000,000 Worth of Books and Remembers the Characteristcs of the People for Whom and to Whom He Sold Them (1906), "The Carnegie Millions and the Men who Made Them" (1903), Dutch Art as Seen by a Layman (1902).