Information on Sapphire Revenant June 4, 2017 ~ Sarah Portlock In this video (which I will link) I explain that I have self-published my book, Sapphire Revenant and where I did it. Watch the video here! Share this:TwitterFacebookLike Loading... Related Published by Sarah Portlock Hi, my name is Sarah Portlock and I am the British author of The Devil's Revenge Series. View all posts by Sarah Portlock