i should also mention that not once, but TWICE john goes to worship (prostrate) to the angel giving him the vision and the angel rebukes him saying "don't do that, we are the same as you" twice!
Discussion
Which book were you referring to? Was it The Apocalypse of Yajnavalkaya?
I don't see angels as being humans because they aren't descended from Adam. I do agree that they look human, that's clear from the Bible, although they are also terrifying and always telling humans they encounter to not be afraid.
Perhaps angels are now like what humans will become in the Resurrection. The sons of God will have glorified, resurrection bodies like Jesus has, and the angels are sometimes called the sons of God in Scripture.
The Mormons have a saying that as Man is God once was, and as God is Man may become. I disagree with that, but I do think it may be true in regard to angels and humans.