The lectures were recorded over one week – the length of an F7 course when I was running courses. The students were told that there wasn’t enough time to cover everything within the one week and that there would therefore necessarily be some charts for them to work on for themselves.
Chapter 14 is not the only one – be warned
The chapters for which there are no lectures were considered at the time to be the topics most easily covered by self-study and, whilst you struggle through the notes and you come across a problem, I’m always here to give you guidance to sort out any issues