The book of Revelation is fascinating and often misunderstood.  The Bible Project do some great videos explaining the bible, including Revelation.  Click here to view their homepage.

For mp3 audio files of every book of the bible go to Living Jesus site - here 

Interesting video of Terry Waite - referred to in sermon 17th Feb 2019.  It's from Facebook so I hope you can access it    here 

click for Link to Justin Welby Interview with Premier Radio  - this is referred to by Rev Liz Jones in her sermon on 27th January 2019 at Rocester.  It is well work watching the interview as well as reading the article.