110 essays on the artistic and literary beauty of the Bible, filed under the part of scripture they read.
The book of Revelation is about revealing, unveiling what we do not see but is there.
It is commonly observed that Revelation is cyclical, covering the same period.
G.K. Beale has a great article on The Gospel Coalition Blog about why the number of the beast is 666.
There is a beautiful chiasm in Revelation 1:14-16 that Victor M. Wilson points out.