The majority of the participant book is here in pdf form. Feel free to download it and learn with us.
Here is the worksheet for the 7 churches that goes with the participant book.
If you would like an excellent online class lecture series from Asbury Theological Seminary, check out Dr. Mulholland’s NT666 Revelation class. Dr. Mulholland does an excellent job teaching and sharing!
Here is a page of reference books if you are curious what material I have used for study or are interested in some great commentaries on Revelation yourself, check it out here.