Apparently there are several chapters missing, like the one about cave men (who, writing a serious paper on evolution would even use the term "cave men" as opposed to using the actual scientific terms such as Neanderthal?) and others. Maybe he just got tired of writing his blather and felt that was good enough for the lax requirements of Patriot University?
Christian apologetics is the art of rolling a dog turd in sugar and selling it as a donut.