The tone is a blend of instructional and expository for peers or any interested readers. The other scholars who have provided information to the readers explain that the complete body of the work is somewhat artificial. The assembled parts were found together and do all fit within this topic. However, even the kindest critic realistically concludes that what is presented as one book is actually a series of monographs. This being the case, there is some discontinuity in the progress of the material.