How to create a short sharp pitch for a work of commercial fiction

I'm a writer not a film maker and I make no claims for the quality of production, nor am I expecting any academy award nominations, but I stand by the content as a tried and tested way to create the outline for an elevator pitch, a blurb or a book taster. 

This mini presentation was shown at virtual FantastiCon 2020 and was abridged from How to be a Fantastic Writer by Danuta Reah and Penny Grubb.