John Fleming is a relatively common name, which may refer to several individuals across different fields, so without further context, it is impossible to identify a specific author. Typically, there are authors with this name in genres ranging from history to art, and in academic spheres as well. John Fleming could also refer to one of the co-authors of the "Fleming and Honour" duo, known for the influential book "A World History of Art," also known as "The Visual Arts: A History." This John Fleming collaborated with Hugh Honour and was noted for his expertise in art history. If you are looking for a description of a specific John Fleming with a particular literary or academic focus, please provide more context or details about his works or field.